American League · American League West

Seattle Mariners

63–69 .477

T-Mobile Park

Seattle, Washington

Gameweek

MON

24

vs PHI

W 9–2
TUE

25

vs PHI

6:40 PM
WED

26

vs PHI

1:10 PM
THU

27

—
FRI

28

at TOR

7:15 PM
SAT

29

at TOR

3:07 PM
SUN

30

at TOR

1:37 PM

2026

522 runs for, 576 against

Mar 26 vs Cleveland Guardians L 4–6

W Connor Brogdon L Gabe Speier S Cade Smith
Mar 27 vs Cleveland Guardians W 5–1

W George Kirby L Gavin Williams
Mar 28 vs Cleveland Guardians L 5–6

W Cade Smith L Andrés Muñoz S Connor Brogdon
Mar 29 vs Cleveland Guardians W 8–0

W Emerson Hancock L Slade Cecconi S Cooper Criswell
Mar 30 vs New York Yankees W 2–1

W Matt Brash L Paul Blackburn
Mar 31 vs New York Yankees L 0–5

W Max Fried L Logan Gilbert
Apr 1 vs New York Yankees L 3–5

W Cam Schlittler L George Kirby S David Bednar
Apr 3 at Los Angeles Angels W 3–1

W Andrés Muñoz L Brent Suter S Gabe Speier
Apr 4 at Los Angeles Angels L 0–1

W Jack Kochanowicz L Emerson Hancock S Jordan Romano
Apr 5 at Los Angeles Angels L 7–8

W Shaun Anderson L Gabe Speier
Apr 6 at Texas Rangers L 1–2

W Jalen Beeks L Logan Gilbert S Jakob Junis
Apr 7 at Texas Rangers L 2–3

W Nathan Eovaldi L George Kirby S Jakob Junis
Apr 8 at Texas Rangers L 0–3

W MacKenzie Gore L Bryan Woo S Cole Winn
Apr 10 vs Houston Astros W 9–6

W Emerson Hancock L Ryan Weiss S Andrés Muñoz
Apr 11 vs Houston Astros W 8–7

W Andrés Muñoz L Bryan Abreu
Apr 12 vs Houston Astros W 6–1

W Logan Gilbert L Cody Bolton
Apr 13 vs Houston Astros W 6–2

W George Kirby L Mike Burrows
Apr 14 at San Diego Padres L 1–4

W Michael King L Bryan Woo S Mason Miller
Apr 15 at San Diego Padres L 6–7

W Alek Jacob L Andrés Muñoz
Apr 16 at San Diego Padres L 2–5

W Walker Buehler L Luis Castillo S Mason Miller
Apr 17 vs Texas Rangers L 0–5

W Gavin Collyer L Logan Gilbert
Apr 18 vs Texas Rangers W 7–3

W George Kirby L Nathan Eovaldi S Andrés Muñoz
Apr 19 vs Texas Rangers W 5–2

W Bryan Woo L MacKenzie Gore S Andrés Muñoz
Apr 20 vs Athletics L 4–6

W Hogan Harris L Casey Legumina S Joel Kuhnel
Apr 21 vs Athletics L 2–5

W Jacob Lopez L Eduard Bazardo S Jack Perkins
Apr 22 vs Athletics W 5–4

W Andrés Muñoz L Joel Kuhnel
Apr 24 at St. Louis Cardinals W 3–2

W George Kirby L Andre Pallante S Andrés Muñoz
Apr 25 at St. Louis Cardinals W 11–9

W Matt Brash L Riley O'Brien S Andrés Muñoz
Apr 26 at St. Louis Cardinals W 3–2

W Eduard Bazardo L JoJo Romero S José A. Ferrer
Apr 27 at Minnesota Twins L 4–11

W Connor Prielipp L Luis Castillo
Apr 28 at Minnesota Twins W 7–1

W Eduard Bazardo L Joe Ryan
Apr 29 at Minnesota Twins W 5–3

W Cooper Criswell L Eric Orze S Andrés Muñoz
May 1 vs Kansas City Royals L 6–7

W Daniel Lynch IV L José A. Ferrer S Lucas Erceg
May 2 vs Kansas City Royals L 2–3

W Matt Strahm L Cooper Criswell S Lucas Erceg
May 3 vs Kansas City Royals L 1–4

W Kris Bubic L Luis Castillo S Daniel Lynch IV
May 4 vs Atlanta Braves W 5–4

W Logan Gilbert L Tyler Kinley S Andrés Muñoz
May 5 vs Atlanta Braves L 2–3

W Robert Suarez L Andrés Muñoz S Raisel Iglesias
May 6 vs Atlanta Braves W 3–1

W Bryan Woo L Martín Pérez S José A. Ferrer
May 8 at Chicago White Sox W 12–8

W Emerson Hancock L Sean Burke
May 9 at Chicago White Sox L 1–6

W Anthony Kay L Luis Castillo
May 10 at Chicago White Sox L 1–2

W Bryan Hudson L Eduard Bazardo S Seranthony Domínguez
May 11 at Houston Astros W 3–1

W George Kirby L Peter Lambert S Andrés Muñoz
May 12 at Houston Astros W 10–2

W Bryan Woo L Tatsuya Imai
May 13 at Houston Astros L 3–4

W Bryan Abreu L Alex Hoppe
May 14 at Houston Astros W 8–3

W Luis Castillo L Mike Burrows
May 15 vs San Diego Padres L 0–2

W Randy Vásquez L Emerson Hancock S Mason Miller
May 16 vs San Diego Padres L 4–7

W Walker Buehler L Logan Gilbert S Jeremiah Estrada
May 17 vs San Diego Padres L 3–8

W Lucas Giolito L George Kirby
May 18 vs Chicago White Sox W 6–1

W Bryan Woo L Noah Schultz
May 19 vs Chicago White Sox L 1–2

W Bryan Hudson L Luis Castillo S Grant Taylor
May 20 vs Chicago White Sox W 5–4

W Matt Brash L Sean Newcomb S José A. Ferrer
May 22 at Kansas City Royals W 2–0

W Eduard Bazardo L Nick Mears S Andrés Muñoz
May 23 at Kansas City Royals L 0–5

W Stephen Kolek L George Kirby
May 24 at Kansas City Royals L 6–8

W Seth Lugo L Bryan Woo
May 25 at Athletics W 9–2

W Bryce Miller L Aaron Civale
May 26 at Athletics W 4–1

W Emerson Hancock L Gage Jump
May 27 at Athletics W 9–1

W Logan Gilbert L Jeffrey Springs
May 29 vs Arizona Diamondbacks W 7–6

W Cooper Criswell L Juan Morillo
May 30 vs Arizona Diamondbacks W 5–1

W Bryan Woo L Ryne Nelson
May 31 vs Arizona Diamondbacks W 3–2

W Luis Castillo L Jonathan Loáisiga
Jun 1 vs New York Mets W 3–2

W Gabe Speier L A.J. Minter
Jun 2 vs New York Mets W 8–3

W Logan Gilbert L Jonah Tong
Jun 3 vs New York Mets L 1–7

W Freddy Peralta L George Kirby
Jun 5 at Detroit Tigers L 3–7

W Framber Valdez L Bryan Woo
Jun 6 at Detroit Tigers W 4–0

W Bryce Miller L Keider Montero
Jun 7 at Detroit Tigers L 4–5

W Will Vest L Andrés Muñoz
Jun 8 at Baltimore Orioles W 6–3

W Emerson Hancock L Trey Gibson S Andrés Muñoz
Jun 9 at Baltimore Orioles W 6–5

W José A. Ferrer L Rico Garcia S Nick Davila
Jun 10 at Baltimore Orioles L 2–7

W Brandon Young L George Kirby
Jun 11 at Baltimore Orioles L 5–7

W Tyler Wells L Bryan Woo S Andrew Kittredge
Jun 12 at Washington Nationals W 10–2

W Bryce Miller L Zack Littell
Jun 13 at Washington Nationals L 3–8

W Cade Cavalli L Luis Castillo
Jun 14 at Washington Nationals L 1–10

W Miles Mikolas L Emerson Hancock
Jun 16 vs Baltimore Orioles W 3–1

W Logan Gilbert L Brandon Young S Andrés Muñoz
Jun 17 vs Baltimore Orioles L 3–5

W Kyle Bradish L George Kirby
Jun 18 vs Baltimore Orioles W 3–0

W Bryan Woo L Shane Baz S Andrés Muñoz
Jun 19 vs Boston Red Sox L 2–6

W Ranger Suarez L Bryce Miller
Jun 20 vs Boston Red Sox L 1–5

W Connelly Early L Emerson Hancock
Jun 21 vs Boston Red Sox W 3–1

W Logan Gilbert L Payton Tolle S Andrés Muñoz
Jun 23 at Pittsburgh Pirates W 3–2

W George Kirby L Mitch Keller S Andrés Muñoz
Jun 24 at Pittsburgh Pirates L 1–11

W Braxton Ashcraft L Bryan Woo S Carmen Mlodzinski
Jun 25 at Pittsburgh Pirates L 1–5

W Bubba Chandler L Bryce Miller
Jun 26 at Cleveland Guardians W 3–1

W Luis Castillo L Tim Herrin S Andrés Muñoz
Jun 27 at Cleveland Guardians L 3–4

W Slade Cecconi L Logan Gilbert S Cade Smith
Jun 28 at Cleveland Guardians L 5–6

W Matt Festa L Michael Rucker S Cade Smith
Jun 29 vs Los Angeles Angels W 6–2

W George Kirby L Ryan Johnson
Jun 30 vs Los Angeles Angels W 8–3

W Bryan Woo L José Soriano
Jul 2 vs Los Angeles Angels W 1–0

W Bryce Miller L Walbert Ureña S Andrés Muñoz
Jul 3 vs Toronto Blue Jays L 0–2

W Dylan Cease L Luis Castillo S Louis Varland
Jul 4 vs Toronto Blue Jays W 11–0

W Logan Gilbert L Shane Bieber
Jul 5 vs Toronto Blue Jays W 4–0

W Emerson Hancock L Trey Yesavage
Jul 7 at Miami Marlins L 5–6

W Cade Gibson L Michael Rucker
Jul 8 at Miami Marlins L 0–2

W Tyler Phillips L George Kirby S Pete Fairbanks
Jul 9 at Miami Marlins L 4–8

W Janson Junk L Bryce Miller
Jul 10 at Tampa Bay Rays L 2–7

W Nick Martinez L Luis Castillo
Jul 11 at Tampa Bay Rays L 1–6

W Griffin Jax L Logan Gilbert
Jul 12 at Tampa Bay Rays W 8–2

W José A. Ferrer L Ian Seymour
Jul 17 vs San Francisco Giants L 0–7

W Landen Roupp L Bryce Miller
Jul 18 vs San Francisco Giants W 4–3

W José A. Ferrer L Dylan Smith
Jul 19 vs San Francisco Giants W 6–3

W Logan Gilbert L Adrian Houser S Andrés Muñoz
Jul 20 vs Cincinnati Reds W 8–0

W George Kirby L Andrew Abbott
Jul 21 vs Cincinnati Reds L 2–4

W Chase Burns L Luis Castillo S Emilio Pagán
Jul 22 vs Cincinnati Reds L 3–5

W Brady Singer L Eduard Bazardo S Emilio Pagán
Jul 24 at Texas Rangers L 4–5

W Peyton Gray L Bryce Miller S Jacob Latz
Jul 25 at Texas Rangers L 1–7

W Nathan Eovaldi L Bryan Woo
Jul 26 at Texas Rangers W 6–4

W Gabe Speier L Cole Winn S Andrés Muñoz
Jul 27 at Texas Rangers L 3–7

W Kumar Rocker L George Kirby
Jul 28 at Los Angeles Dodgers W 7–6

W José A. Ferrer L Brock Stewart S Andrés Muñoz
Jul 29 at Los Angeles Dodgers L 2–4

W Eric Lauer L Emerson Hancock S Edwin Díaz
Jul 30 at Los Angeles Dodgers L 2–6

W Roki Sasaki L Bryan Woo
Jul 31 vs Minnesota Twins L 3–5

W Kody Funderburk L José A. Ferrer S Yoendrys Gómez
Aug 1 vs Minnesota Twins W 4–3

W Andrés Muñoz L Andrew Morris
Aug 2 vs Minnesota Twins W 7–6

W Andrés Muñoz L Yoendrys Gómez
Aug 4 vs Detroit Tigers L 0–8

W Troy Melton L Emerson Hancock
Aug 5 vs Detroit Tigers W 4–2

W Bryan Woo L Brenan Hanifee S Andrés Muñoz
Aug 6 vs Detroit Tigers L 0–11

W Framber Valdez L Bryce Miller
Aug 7 vs Tampa Bay Rays L 1–2

W Drew Rasmussen L Logan Gilbert S Bryan Baker
Aug 8 vs Tampa Bay Rays L 2–3

W Steven Matz L Michael Rucker S Bryan Baker
Aug 9 vs Tampa Bay Rays L 1–4

W Ian Seymour L Emerson Hancock S Steven Matz
Aug 11 at New York Yankees L 1–4

W Tim Hill L Michael Rucker S David Bednar
Aug 12 at New York Yankees L 5–10

W Paul Blackburn L Gabe Speier
Aug 13 at New York Yankees W 1–0

W Logan Gilbert L Max Fried S Andrés Muñoz
Aug 14 at Houston Astros L 7–10

W Enyel De Los Santos L Andrés Muñoz
Aug 15 at Houston Astros W 10–5

W Emerson Hancock L Hayden Wesneski
Aug 16 at Houston Astros W 3–2

W Bryan Woo L Hunter Brown S Andrés Muñoz
Aug 18 at Milwaukee Brewers L 0–22

W Kyle Harrison L Bryce Miller
Aug 19 at Milwaukee Brewers W 7–5

W Logan Gilbert L Dustin May S Andrés Muñoz
Aug 20 at Milwaukee Brewers L 4–7

W Chad Patrick L George Kirby S Trevor Megill
Aug 21 vs Chicago Cubs W 6–5

W Seranthony Domínguez L Ryan Zeferjahn
Aug 22 vs Chicago Cubs W 5–4

W Michael Rucker L Jacob Webb
Aug 23 vs Chicago Cubs L 2–19

W Aaron Civale L Bryce Miller
Aug 24 vs Philadelphia Phillies W 9–2

W Logan Gilbert L Zack Wheeler
Aug 25 vs Philadelphia Phillies 6:40 PM

P George Kirby vs Aaron Nola
Aug 26 vs Philadelphia Phillies 1:10 PM

P Bryan Woo vs Jesús Luzardo
Aug 28 at Toronto Blue Jays 7:15 PM
Aug 29 at Toronto Blue Jays 3:07 PM
Aug 30 at Toronto Blue Jays 1:37 PM
Aug 31 at Boston Red Sox 6:45 PM
Sep 1 at Boston Red Sox 6:45 PM
Sep 2 at Boston Red Sox 4:10 PM
Sep 3 vs Athletics 6:40 PM
Sep 4 vs Athletics 7:10 PM
Sep 5 vs Athletics 6:40 PM
Sep 6 vs Athletics 1:10 PM
Sep 8 vs Texas Rangers 6:40 PM
Sep 9 vs Texas Rangers 1:10 PM
Sep 10 vs Texas Rangers 1:10 PM
Sep 11 at Athletics 6:40 PM
Sep 12 at Athletics 6:40 PM
Sep 13 at Athletics 1:05 PM
Sep 14 at Los Angeles Angels 6:38 PM
Sep 15 at Los Angeles Angels 6:38 PM
Sep 16 at Los Angeles Angels 6:38 PM
Sep 18 at Colorado Rockies 6:10 PM
Sep 19 at Colorado Rockies 6:10 PM
Sep 20 at Colorado Rockies 1:10 PM
Sep 22 vs Houston Astros 6:40 PM
Sep 23 vs Houston Astros 7:10 PM
Sep 24 vs Los Angeles Angels 6:40 PM
Sep 25 vs Los Angeles Angels 7:10 PM
Sep 26 vs Los Angeles Angels 6:40 PM
Sep 27 vs Los Angeles Angels 12:10 PM

26 on the active roster

As of Aug 25

Who is on the club now, not who played for it this season. Players on the injured list do not appear.

29 C Cal Raleigh
5 C Jhonny Pereda
12 1B Josh Naylor
2 2B Cole Young
76 3B Leo Rivas
35 3B Patrick Wisdom
31 3B Weston Wilson
90 SS Brock Rodden
56 LF Randy Arozarena
44 CF Julio Rodríguez
10 RF Victor Robles
8 DH Dominic Canzone
27 DH Taylor Ward
75 P Andrés Muñoz
22 P Bryan Woo
50 P Bryce Miller
54 P Carlos Vargas
83 P Eduard Bazardo
26 P Emerson Hancock
55 P Gabe Speier
68 P George Kirby
45 P José A. Ferrer
13 P Kade Anderson
36 P Logan Gilbert
38 P Michael Rucker
58 P Seranthony Domínguez

461 moves in 2026, newest first

Aug 24 MON

Seattle Mariners sent LHP Jhonathan Díaz outright to Tacoma Rainiers.

Aug 23 SUN

Seattle Mariners recalled 3B Patrick Wisdom from Tacoma Rainiers.
Seattle Mariners placed 3B Brendan Donovan on the 7-day injured list retroactive to August 22, 2026. Concussion.

Aug 22 SAT

Seattle Mariners selected the contract of LHP Kade Anderson from Arkansas Travelers.
Seattle Mariners designated LHP Jhonathan Díaz for assignment.
Seattle Mariners sent RHP Cooper Criswell on a rehab assignment to Tacoma Rainiers.

Aug 21 FRI

Seattle Mariners optioned RHP Nick Davila to Tacoma Rainiers.
Seattle Mariners transferred RHP Matt Brash from the 15-day injured list to the 60-day injured list. Right lat strain.
Seattle Mariners activated RHP Carlos Vargas from the 60-day injured list.

Aug 20 THU

Seattle Mariners sent SS J.P. Crawford on a rehab assignment to Tacoma Rainiers.

Aug 19 WED

Seattle Mariners selected the contract of LHP Jhonathan Díaz from Tacoma Rainiers.
Seattle Mariners optioned LHP Josh Simpson to Tacoma Rainiers.
Seattle Mariners transferred RF Luke Raley from the 10-day injured list to the 60-day injured list. Left forearm strain.

Aug 18 TUE

Seattle Mariners signed free agent 2B Andy Ibáñez to a minor league contract.

Aug 15 SAT

Seattle Mariners claimed RHP Troy Watson off waivers from Detroit Tigers.
Seattle Mariners optioned RHP Troy Watson to Tacoma Rainiers.

Aug 14 FRI

Seattle Mariners selected the contract of 2B Brock Rodden from Tacoma Rainiers.
Seattle Mariners placed SS Colt Emerson on the 10-day injured list. Left wrist tendon inflammation.
Seattle Mariners optioned C Willie MacIver to Tacoma Rainiers.

Aug 13 THU

Seattle Mariners signed free agent LHP Lael Lockhart to a minor league contract.

Aug 12 WED

Seattle Mariners claimed C Willie MacIver off waivers from Toronto Blue Jays.
Seattle Mariners signed free agent RHP Scott Effross to a minor league contract.

Aug 11 TUE

Seattle Mariners sent RHP Carlos Vargas on a rehab assignment to Tacoma Rainiers.
Seattle Mariners activated LHP Gabe Speier.
Seattle Mariners signed free agent RHP Conor Larkin to a minor league contract.

Aug 10 MON

Seattle Mariners claimed RHP Nolan Kingham off waivers from Texas Rangers.

Aug 8 SAT

Seattle Mariners sent RHP Carlos Vargas on a rehab assignment to Everett AquaSox.
Seattle Mariners signed free agent CF Stuart Fairchild to a minor league contract.
Seattle Mariners sent RHP Carlos Vargas on a rehab assignment to Everett AquaSox.
LHP Gabe Speier roster status changed by Seattle Mariners.

Aug 7 FRI

Seattle Mariners recalled RHP Nick Davila from Tacoma Rainiers.
Seattle Mariners placed RHP Cole Wilcox on the 15-day injured list. Left oblique strain.
Seattle Mariners sent CF Stuart Fairchild outright to Tacoma Rainiers.

Aug 5 WED

Seattle Mariners signed free agent RHP Seth Shuman to a minor league contract.

Aug 4 TUE

Seattle Mariners activated 3B Brendan Donovan from the 10-day injured list.
Seattle Mariners activated LF Taylor Ward.
Seattle Mariners activated RHP Seranthony Domínguez.
Seattle Mariners recalled C Jhonny Pereda from Tacoma Rainiers.
Seattle Mariners released C Mitch Garver.
Seattle Mariners released DH Rob Refsnyder.
Seattle Mariners designated CF Stuart Fairchild for assignment.

Aug 3 MON

Baltimore Orioles traded LF Taylor Ward to Seattle Mariners for RHP Alex Hoppe, RHP Brock Moore and RHP Harrison Kreiling.
LF Taylor Ward roster status changed by Seattle Mariners.

Aug 2 SUN

Seattle Mariners traded RHP Luis Castillo to Chicago White Sox for RHP Seranthony Domínguez, C Boston Smith, RF Nolan Jones and cash.
San Francisco Giants claimed 1B Buddy Kennedy off waivers from Seattle Mariners.
Seattle Mariners recalled LHP Josh Simpson from Tacoma Rainiers.

Aug 1 SAT

Seattle Mariners selected the contract of CF Stuart Fairchild from Tacoma Rainiers.
Seattle Mariners placed RF Luke Raley on the 10-day injured list retroactive to July 31, 2026. Left forearm strain.

Jul 31 FRI

Seattle Mariners placed SS J.P. Crawford on the 10-day injured list retroactive to July 30, 2026. Left wrist inflammation.
Seattle Mariners recalled 3B Leo Rivas from Tacoma Rainiers.

Jul 28 TUE

Seattle Mariners sent 3B Brendan Donovan on a rehab assignment to Tacoma Rainiers.
Seattle Mariners designated 1B Buddy Kennedy for assignment.
Seattle Mariners activated DH Rob Refsnyder from the 10-day injured list.

Jul 27 MON

Seattle Mariners signed free agent RHP Similien Senatus to a minor league contract.

Jul 26 SUN

Seattle Mariners recalled RHP Alex Hoppe from Tacoma Rainiers.
Seattle Mariners optioned RHP Nick Davila to Tacoma Rainiers.

Jul 21 TUE

Seattle Mariners sent 3B Brendan Donovan on a rehab assignment to Everett AquaSox.
Seattle Mariners signed 3B Ace Reese.
Seattle Mariners signed free agent OF Kyle Boylston to a minor league contract.
Seattle Mariners signed free agent C Jacob Galloway to a minor league contract.
Seattle Mariners signed free agent C Jake Harvey to a minor league contract.
Seattle Mariners signed free agent RHP Isaac Thornton to a minor league contract.
Seattle Mariners sent 3B Miles Mastrobuoni outright to Tacoma Rainiers.

Jul 18 SAT

Seattle Mariners designated 3B Miles Mastrobuoni for assignment.
Seattle Mariners activated CF Julio Rodríguez from the 7-day injured list.
Seattle Mariners sent DH Rob Refsnyder on a rehab assignment to Tacoma Rainiers.
Seattle Mariners sent DH Rob Refsnyder on a rehab assignment to Tacoma Rainiers.

Jul 17 FRI

Seattle Mariners sent 3B Brendan Donovan on a rehab assignment to Tacoma Rainiers.
Seattle Mariners sent 3B Brendan Donovan on a rehab assignment to Tacoma Rainiers.
Seattle Mariners signed OF Jake Brown.
Seattle Mariners signed RHP Nathan Taylor.
Seattle Mariners signed 3B Trevor Lucas.
Seattle Mariners signed OF Hayden Yost.
Seattle Mariners signed 3B Henry Ford.
Seattle Mariners signed OF Michael Petite.
Seattle Mariners signed SS Ryan Wynn.
Seattle Mariners signed RHP Matthew Matthijs.
Seattle Mariners signed C Mason Eckelman.
Seattle Mariners signed RHP Drew Whalen.
Seattle Mariners signed LHP Chris Torres.
Seattle Mariners signed OF Charlie Sutherland.
Seattle Mariners signed 2B Eric Jeon.
Seattle Mariners signed RHP Chris Diaz.
Seattle Mariners signed RHP Wyatt Queen.
Seattle Mariners signed RHP Anthony Treto.
Seattle Mariners signed RHP Connor Marshburn.
Seattle Mariners signed RHP Connor Marshburn.
Seattle Mariners signed free agent SS Henry Kaczmar to a minor league contract.

Jul 15 WED

Seattle Mariners sent 3B Brendan Donovan on a rehab assignment to ACL Mariners.

Jul 11 SAT

Seattle Mariners traded 1B Carson Taylor to Atlanta Braves.

Jul 7 TUE

CF Stuart Fairchild assigned to ACL Mariners from Seattle Mariners.
Seattle Mariners signed free agent RHP Mario Vasquez to a minor league contract.

Jul 5 SUN

Seattle Mariners signed free agent CF Stuart Fairchild to a minor league contract.
CF Stuart Fairchild roster status changed by Seattle Mariners.

Jul 3 FRI

Seattle Mariners transferred RHP Cooper Criswell from the 15-day injured list to the 60-day injured list. Right shoulder strain.
Seattle Mariners placed CF Julio Rodríguez on the 7-day injured list. Concussion.
Seattle Mariners selected the contract of 3B Miles Mastrobuoni from Tacoma Rainiers.

Jun 30 TUE

Seattle Mariners recalled RHP Cole Wilcox from Tacoma Rainiers.
Seattle Mariners optioned LHP Josh Simpson to Tacoma Rainiers.

Jun 29 MON

San Francisco Giants traded 1B Buddy Kennedy to Seattle Mariners for cash.
Seattle Mariners placed DH Rob Refsnyder on the 10-day injured list retroactive to June 27, 2026. Right knee inflammation.

Jun 27 SAT

Seattle Mariners optioned RHP Alex Hoppe to Tacoma Rainiers.
Seattle Mariners recalled LHP Josh Simpson from Tacoma Rainiers.

Jun 25 THU

Seattle Mariners sent 3B Miles Mastrobuoni outright to Tacoma Rainiers.

Jun 23 TUE

Seattle Mariners optioned RF Connor Joe to Tacoma Rainiers.
Seattle Mariners activated LF Randy Arozarena from the 10-day injured list.

Jun 20 SAT

Seattle Mariners sent CF Curtis Washington Jr. outright to Everett AquaSox.

Jun 19 FRI

Seattle Mariners designated 3B Miles Mastrobuoni for assignment.
Seattle Mariners selected the contract of 3B Weston Wilson from Tacoma Rainiers.

Jun 18 THU

Seattle Mariners signed free agent RHP Adalberto Vallenilla to a minor league contract.
Seattle Mariners signed free agent RHP Ferny Barreda to a minor league contract.

Jun 17 WED

Seattle Mariners recalled RF Connor Joe from Tacoma Rainiers.
Seattle Mariners optioned CF Curtis Washington Jr. to Everett AquaSox.
Seattle Mariners traded RHP Randy Dobnak to Kansas City Royals for cash.

Jun 16 TUE

Seattle Mariners optioned C Jhonny Pereda to Tacoma Rainiers.
Seattle Mariners activated SS J.P. Crawford from the 10-day injured list.
Seattle Mariners activated C Cal Raleigh from the 10-day injured list.
Seattle Mariners selected the contract of CF Curtis Washington Jr. from Everett AquaSox.
Seattle Mariners placed LF Randy Arozarena on the 10-day injured list retroactive to June 13, 2026. Left hamstring strain.
Seattle Mariners transferred 3B Will Wilson from the 10-day injured list to the 60-day injured list. Left thumb fracture.

Jun 15 MON

Seattle Mariners traded RHP Yosver Zulueta to Chicago Cubs for cash.
Seattle Mariners optioned 3B Patrick Wisdom to Tacoma Rainiers.
Seattle Mariners sent RHP Domingo Gonzalez outright to Tacoma Rainiers.

Jun 14 SUN

Seattle Mariners signed free agent 3B Weston Wilson to a minor league contract.

Jun 13 SAT

Seattle Mariners signed free agent LHP Michael Plassmeyer to a minor league contract.

Jun 12 FRI

Seattle Mariners acquired RHP Connor Wilford from the Lexington Legends of the Atlantic League.

Jun 11 THU

Seattle Mariners designated RHP Domingo Gonzalez for assignment.
Seattle Mariners selected the contract of RHP Michael Rucker from Tacoma Rainiers.

Jun 10 WED

Seattle Mariners activated 3B Miles Mastrobuoni from the 60-day injured list.
Seattle Mariners recalled RHP Domingo Gonzalez from Tacoma Rainiers.
Seattle Mariners designated RHP Yosver Zulueta for assignment.
Seattle Mariners optioned 2B Ryan Bliss to Tacoma Rainiers.
Seattle Mariners placed RHP Matt Brash on the 15-day injured list retroactive to June 9, 2026. Right lat strain.
Pittsburgh Pirates traded RHP Carson Fulmer to Seattle Mariners for cash.

Jun 9 TUE

Seattle Mariners sent C Cal Raleigh on a rehab assignment to Tacoma Rainiers.
Seattle Mariners recalled RHP Nick Davila from Tacoma Rainiers.
Seattle Mariners placed RHP Cooper Criswell on the 15-day injured list. Right shoulder strain.
Seattle Mariners sent 3B Will Wilson on a rehab assignment to Tacoma Rainiers.

Jun 8 MON

Seattle Mariners recalled 2B Ryan Bliss from Tacoma Rainiers.
Seattle Mariners placed SS J.P. Crawford on the 10-day injured list retroactive to June 6, 2026. Right hand contusion.

Jun 7 SUN

Seattle Mariners sent C Cal Raleigh on a rehab assignment to Everett AquaSox.

Jun 5 FRI

Seattle Mariners signed free agent SS Magz German to a minor league contract.
Seattle Mariners sent 3B Will Wilson on a rehab assignment to Everett AquaSox.

Jun 4 THU

Seattle Mariners signed free agent LHP Caleb Franzen to a minor league contract.

May 27 WED

Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to Tacoma Rainiers.
Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to Tacoma Rainiers.

May 26 TUE

Seattle Mariners activated LHP Gabe Speier from the 15-day injured list.
Seattle Mariners optioned RHP Nick Davila to Tacoma Rainiers.

May 25 MON

Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to ACL Mariners.

May 23 SAT

Seattle Mariners sent LHP Gabe Speier on a rehab assignment to Tacoma Rainiers.

May 22 FRI

Seattle Mariners optioned RF Connor Joe to Tacoma Rainiers.
Seattle Mariners activated RF Victor Robles from the 10-day injured list.

May 20 WED

Seattle Mariners sent LHP Gabe Speier on a rehab assignment to Everett AquaSox.
Seattle Mariners activated RHP Matt Brash from the 15-day injured list.
Seattle Mariners optioned LHP Robinson Ortiz to Tacoma Rainiers.
Seattle Mariners sent LHP Gabe Speier on a rehab assignment to Everett AquaSox.

May 18 MON

Seattle Mariners activated 1B Patrick Wisdom from the 10-day injured list.
Seattle Mariners recalled LHP Robinson Ortiz from Tacoma Rainiers.
Seattle Mariners optioned RHP Domingo Gonzalez to Tacoma Rainiers.
Seattle Mariners optioned 3B Leo Rivas to Tacoma Rainiers.
Seattle Mariners selected the contract of CF Brennen Davis from Tacoma Rainiers.
Seattle Mariners optioned CF Brennen Davis to Tacoma Rainiers.

May 17 SUN

Seattle Mariners recalled SS Colt Emerson from Tacoma Rainiers.
Seattle Mariners placed 3B Brendan Donovan on the 10-day injured list retroactive to May 16, 2026. Left groin muscle strain.

May 14 THU

Seattle Mariners recalled C Jhonny Pereda from Tacoma Rainiers.
Seattle Mariners activated LHP José A. Ferrer from the paternity list.
Seattle Mariners optioned LHP Josh Simpson to Tacoma Rainiers.
Seattle Mariners placed C Cal Raleigh on the 10-day injured list. Right oblique strain.
Seattle Mariners traded LHP José Suarez to Athletics for cash.
Seattle Mariners sent RHP Matt Brash on a rehab assignment to Tacoma Rainiers.
Seattle Mariners sent RHP Matt Brash on a rehab assignment to Tacoma Rainiers.

May 13 WED

Seattle Mariners designated LHP José Suarez for assignment.
Seattle Mariners activated RHP Bryce Miller from the 15-day injured list.

May 11 MON

Seattle Mariners recalled RHP Domingo Gonzalez from Tacoma Rainiers.
Seattle Mariners placed LHP José A. Ferrer on the paternity list.

May 9 SAT

Houston Astros claimed LF Rhylan Thomas off waivers from Seattle Mariners.

May 8 FRI

Seattle Mariners activated 3B Brendan Donovan from the 10-day injured list.
Seattle Mariners optioned C Jhonny Pereda to Tacoma Rainiers.
Seattle Mariners signed free agent RHP Scott Rouse to a minor league contract.

May 7 THU

Seattle Mariners signed free agent RHP Sam Whiting to a minor league contract.
Seattle Mariners signed LHP Dominic Castellano.

May 6 WED

Seattle Mariners sent RHP Bryce Miller on a rehab assignment to Everett AquaSox.
Seattle Mariners signed free agent LHP Cole Cheatham to a minor league contract.

May 5 TUE

Seattle Mariners sent 3B Brendan Donovan on a rehab assignment to Arkansas Travelers.
Seattle Mariners sent 1B Patrick Wisdom on a rehab assignment to Tacoma Rainiers.
Seattle Mariners sent 3B Brendan Donovan on a rehab assignment to Arkansas Travelers.

May 4 MON

Seattle Mariners recalled LHP Josh Simpson from Tacoma Rainiers.
Seattle Mariners activated LHP José Suarez.
Seattle Mariners optioned RHP Cole Wilcox to Tacoma Rainiers.
Seattle Mariners placed LHP Gabe Speier on the 15-day injured list retroactive to May 3, 2026. Left shoulder inflammation.

May 3 SUN

Seattle Mariners sent RF Victor Robles on a rehab assignment to Tacoma Rainiers.
Seattle Mariners claimed LHP José Suarez off waivers from Atlanta Braves.
Seattle Mariners designated LF Rhylan Thomas for assignment.

May 2 SAT

Seattle Mariners selected the contract of RHP Nick Davila from Arkansas Travelers.
Seattle Mariners optioned LHP Josh Simpson to Tacoma Rainiers.
Seattle Mariners recalled C Jhonny Pereda from Tacoma Rainiers.
Seattle Mariners placed 3B Will Wilson on the 10-day injured list retroactive to April 30, 2026. Left thumb fracture.

May 1 FRI

Seattle Mariners recalled LHP Josh Simpson from Tacoma Rainiers.
Seattle Mariners placed RHP Matt Brash on the 15-day injured list retroactive to April 30, 2026. Right lat inflammation.
Seattle Mariners purchased contract of RHP Adam Smith.

Apr 30 THU

Seattle Mariners sent RHP Bryce Miller on a rehab assignment to Tacoma Rainiers.

Apr 24 FRI

Seattle Mariners sent RHP Bryce Miller on a rehab assignment to Everett AquaSox.
Seattle Mariners traded RHP Casey Legumina to Tampa Bay Rays for RHP Ty Cummings.
Seattle Mariners sent RHP Bryce Miller on a rehab assignment to Everett AquaSox.

Apr 22 WED

Seattle Mariners signed free agent RHP Nick Hull to a minor league contract.

Apr 21 TUE

Colorado Rockies claimed RHP Blas Castaño off waivers from Seattle Mariners.
Seattle Mariners designated RHP Casey Legumina for assignment.
Seattle Mariners recalled RHP Alex Hoppe from Tacoma Rainiers.

Apr 20 MON

Seattle Mariners placed 2B Brendan Donovan on the 10-day injured list retroactive to April 18, 2026. Left groin muscle strain.
Seattle Mariners placed 3B Miles Mastrobuoni on the 60-day injured list. Right calf strain.
Seattle Mariners selected the contract of 3B Will Wilson from Tacoma Rainiers.

Apr 18 SAT

Seattle Mariners sent RHP Bryce Miller on a rehab assignment to Tacoma Rainiers.

Apr 17 FRI

Seattle Mariners activated RF Rob Refsnyder from the paternity list.
Seattle Mariners placed 1B Patrick Wisdom on the 10-day injured list retroactive to April 15, 2026. Left oblique strain.

Apr 16 THU

1B Patrick Wisdom changed number to 35.
RHP Bryan Woo changed number to 22.
2B Cole Young changed number to 2.
RHP Cole Wilcox changed number to 43.
RF Luke Raley changed number to 20.
2B Leo Rivas changed number to 76.
CF Julio Rodríguez changed number to 44.
LHP Gabe Speier changed number to 55.
RF Rob Refsnyder changed number to 30.
RHP Andrés Muñoz changed number to 75.
C Cal Raleigh changed number to 29.
1B Josh Naylor changed number to 12.
RHP Emerson Hancock changed number to 26.
RHP George Kirby changed number to 68.
RHP Logan Gilbert changed number to 36.
1B Connor Joe changed number to 9.
RHP Casey Legumina changed number to 64.
C Mitch Garver changed number to 18.
RHP Luis Castillo changed number to 58.
SS J.P. Crawford changed number to 3.
2B Brendan Donovan changed number to 33.
RHP Cooper Criswell changed number to 88.
LHP Jose A. Ferrer changed number to 45.
RHP Matt Brash changed number to 47.
RHP Eduard Bazardo changed number to 83.
LF Randy Arozarena changed number to 56.
RF Dominic Canzone changed number to 8.
Seattle Mariners activated DH Dominic Canzone.
Seattle Mariners activated RF Connor Joe.

Apr 15 WED

RF Luke Raley changed number to 42.
RF Rob Refsnyder changed number to 42.
2B Leo Rivas changed number to 42.
LF Randy Arozarena changed number to 42.
LHP Jose A. Ferrer changed number to 42.
RHP Andrés Muñoz changed number to 42.
1B Josh Naylor changed number to 42.
RHP Eduard Bazardo changed number to 42.
RHP Cooper Criswell changed number to 42.
RHP Logan Gilbert changed number to 42.
RHP Bryan Woo changed number to 42.
RHP Matt Brash changed number to 42.
RHP Emerson Hancock changed number to 42.
CF Julio Rodríguez changed number to 42.
RHP George Kirby changed number to 42.
RF Dominic Canzone changed number to 42.
C Mitch Garver changed number to 42.
C Cal Raleigh changed number to 42.
1B Connor Joe changed number to 42.
LHP Gabe Speier changed number to 42.
SS J.P. Crawford changed number to 42.
2B Brendan Donovan changed number to 42.
RHP Casey Legumina changed number to 42.
2B Cole Young changed number to 42.
RHP Cole Wilcox changed number to 42.
RHP Luis Castillo changed number to 42.
Seattle Mariners signed free agent RHP Jesus Rondon to a minor league contract.

Apr 14 TUE

Seattle Mariners designated RHP Blas Castaño for assignment.
Seattle Mariners placed RF Rob Refsnyder on the paternity list.
Seattle Mariners selected the contract of 1B Patrick Wisdom from Tacoma Rainiers.

Apr 8 WED

Seattle Mariners selected the contract of RF Connor Joe from Tacoma Rainiers.
Seattle Mariners placed RF Victor Robles on the 10-day injured list retroactive to April 7, 2026. Right pec strain.
Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to Tacoma Rainiers.
Seattle Mariners transferred RHP Carlos Vargas from the 15-day injured list to the 60-day injured list. Right lat strain.

Apr 7 TUE

Seattle Mariners signed free agent RHP Ryan Loutos to a minor league contract.

Apr 2 THU

Seattle Mariners activated SS J.P. Crawford from the 10-day injured list.
Seattle Mariners optioned 2B Ryan Bliss to Tacoma Rainiers.
Seattle Mariners released RHP Ryan Loutos.

Apr 1 WED

Seattle Mariners optioned SS Colt Emerson to Tacoma Rainiers.

Mar 31 TUE

Seattle Mariners sent SS J.P. Crawford on a rehab assignment to Tacoma Rainiers.
Seattle Mariners designated RHP Ryan Loutos for assignment.
Seattle Mariners selected the contract of SS Colt Emerson from Tacoma Rainiers.
Seattle Mariners sent SS J.P. Crawford on a rehab assignment to Tacoma Rainiers.

Mar 27 FRI

Seattle Mariners placed RHP Carlos Vargas on the 15-day injured list retroactive to March 24, 2026. Right lat strain.
Seattle Mariners recalled RHP Cole Wilcox from Tacoma Rainiers.
Seattle Mariners signed free agent RHP Chase Centala to a minor league contract.
RHP Adam Maier roster status changed by Seattle Mariners.

Mar 26 THU

RHP Cooper Criswell changed number to 88.
Seattle Mariners signed free agent RHP Adam Maier to a minor league contract.

Mar 25 WED

Seattle Mariners optioned RHP Alex Hoppe to Tacoma Rainiers.
Seattle Mariners selected the contract of C Mitch Garver from Tacoma Rainiers.
Seattle Mariners placed SS J.P. Crawford on the 10-day injured list retroactive to March 22, 2026. Right shoulder inflammation.
Seattle Mariners placed 3B Miles Mastrobuoni on the 10-day injured list retroactive to March 22, 2026. Right calf strain.
Seattle Mariners placed RHP Bryce Miller on the 15-day injured list retroactive to March 22, 2026. Left oblique strain.
Seattle Mariners released C Andrew Knizner.

Mar 24 TUE

Seattle Mariners designated C Andrew Knizner for assignment.
Seattle Mariners signed free agent RHP Will Armbruester to a minor league contract.
Seattle Mariners transferred RHP Carlos Vargas from the 15-day injured list to the 60-day injured list.
Seattle Mariners placed RHP Carlos Vargas on the 15-day injured list. Right lat strain.

Mar 23 MON

RHP Casey Hintz assigned to Seattle Mariners.
2B Brady O'Brien assigned to Seattle Mariners.
SS Leandro Romero assigned to Seattle Mariners.

Mar 22 SUN

2B Ricardo Cova assigned to Seattle Mariners.
CF Cesar Quintas assigned to Seattle Mariners.
Seattle Mariners optioned RHP Yosver Zulueta to Tacoma Rainiers.
Seattle Mariners optioned RHP Cole Wilcox to Tacoma Rainiers.
Seattle Mariners optioned C Jhonny Pereda to Tacoma Rainiers.

Mar 21 SAT

Seattle Mariners optioned LF Rhylan Thomas to Tacoma Rainiers.

Mar 20 FRI

Seattle Mariners released RHP Guillo Zuñiga.

Mar 19 THU

RHP Jose Geraldo assigned to Seattle Mariners.

Mar 17 TUE

RHP Gunner Mayer assigned to Seattle Mariners.
CF George Feliz assigned to Seattle Mariners.
OF Brayden Corn assigned to Seattle Mariners.

Mar 15 SUN

OF Konni Durschlag assigned to Seattle Mariners.

Mar 14 SAT

OF Ryan Picollo assigned to Seattle Mariners.
RHP Wyatt Lunsford-Shenkman assigned to Seattle Mariners.
Seattle Mariners optioned LHP Robinson Ortiz to Tacoma Rainiers.

Mar 13 FRI

LHP Jacob Denner assigned to Seattle Mariners.
OF Anthony Donofrio assigned to Seattle Mariners.
Seattle Mariners optioned RHP Troy Taylor to Tacoma Rainiers.
Seattle Mariners optioned LHP Josh Simpson to Tacoma Rainiers.

Mar 12 THU

OF Aiden Taurek assigned to Seattle Mariners.

Mar 11 WED

CF Curtis Washington Jr. assigned to Seattle Mariners.
Seattle Mariners optioned RHP Domingo Gonzalez to Tacoma Rainiers.
Seattle Mariners optioned RHP Blas Castaño to Tacoma Rainiers.

Mar 10 TUE

SS Carter Dorighi assigned to Seattle Mariners.

Mar 8 SUN

Seattle Mariners optioned RHP Ryan Loutos to Tacoma Rainiers.

Mar 7 SAT

C Grant Jay assigned to Seattle Mariners.
2B Alejo Lopez assigned to Seattle Mariners.
2B Josh Hood assigned to Seattle Mariners.

Mar 6 FRI

C Matthew Ellis assigned to Seattle Mariners.
OF Korbyn Dickerson assigned to Seattle Mariners.

Mar 5 THU

C Aaron McKeithan assigned to Seattle Mariners.
SS Axel Sanchez assigned to Seattle Mariners.
LF Colin Davis assigned to Seattle Mariners.

Mar 4 WED

1B Hogan Windish assigned to Seattle Mariners.

Mar 3 TUE

C Mitch Garver assigned to Seattle Mariners.
C Connor Dykstra assigned to Seattle Mariners.

Mar 1 SUN

OF Bill Knight assigned to Seattle Mariners.
Seattle Mariners signed free agent C Jacob Nottingham to a minor league contract.
OF Bill Knight roster status changed by Seattle Mariners.

Feb 28 SAT

RHP Houston Roth assigned to Seattle Mariners.

Feb 27 FRI

Seattle Mariners signed free agent RHP Gabriel Sosa to a minor league contract.

Feb 26 THU

RHP Abdiel Mendoza assigned to Seattle Mariners.
Seattle Mariners signed free agent C Mitch Garver to a minor league contract.

Feb 25 WED

3B Caleb Cali assigned to Seattle Mariners.
LHP Reid VanScoter assigned to Seattle Mariners.

Feb 24 TUE

LHP Reid Easterly assigned to Seattle Mariners.

Feb 23 MON

3B Austin St. Laurent assigned to Seattle Mariners.
3B Brandon Eike assigned to Seattle Mariners.
RHP Evan Truitt assigned to Seattle Mariners.
RHP Reese Lumpkin assigned to Seattle Mariners.
RHP Reese Lumpkin roster status changed by Seattle Mariners.

Feb 22 SUN

RHP Marcelo Perez assigned to Seattle Mariners.
RHP Jean Munoz assigned to Seattle Mariners.
SS Felnin Celesten assigned to Seattle Mariners.
3B Charlie Pagliarini assigned to Seattle Mariners.
1B Luis Suisbel assigned to Seattle Mariners.
Seattle Mariners signed free agent RHP Nick Garcia to a minor league contract.
SS Felnin Celesten roster status changed by Seattle Mariners.
RHP Nick Garcia roster status changed by Seattle Mariners.
3B Charlie Pagliarini roster status changed by Seattle Mariners.
1B Luis Suisbel roster status changed by Seattle Mariners.
1B Luis Suisbel roster status changed by Seattle Mariners.

Feb 21 SAT

RHP Aneury Lora assigned to Seattle Mariners.
RHP Stefan Raeth assigned to Seattle Mariners.
LHP Nico Tellache assigned to Seattle Mariners.
RHP Ryan Hawks assigned to Seattle Mariners.
RHP Ryan Hawks assigned to Seattle Mariners.
Seattle Mariners signed free agent RHP Brendan White to a minor league contract.
RHP Brendan White roster status changed by Seattle Mariners.
Seattle Mariners signed free agent 2B Alejo Lopez to a minor league contract.

Feb 20 FRI

LHP Peyton Alford assigned to Seattle Mariners.
RHP Jimmy Kingsbury assigned to Seattle Mariners.
RHP Jason Ruffcorn assigned to Seattle Mariners.
RHP Dylan Wilson assigned to Seattle Mariners.
RHP Jason Ruffcorn roster status changed by Seattle Mariners.

Feb 19 THU

C Santiago Pereira assigned to Seattle Mariners.

Feb 16 MON

Miami Marlins traded LHP Josh Simpson to Seattle Mariners for cash.
Seattle Mariners placed RHP Logan Evans on the 60-day injured list. Recovery from torn UCL in right arm.

Feb 13 FRI

Seattle Mariners signed free agent C Daniel Alana to a minor league contract.
Seattle Mariners signed free agent IF Fabian Gonzalez to a minor league contract.
Seattle Mariners signed free agent RHP Gabriel Hidalgo to a minor league contract.
Seattle Mariners signed free agent OF Edgardo Toro to a minor league contract.
Seattle Mariners signed free agent RHP Adan Vallenilla to a minor league contract.
Seattle Mariners signed free agent RHP Cristian Alvarado to a minor league contract.
Seattle Mariners signed free agent RF Connor Joe to a minor league contract.
Seattle Mariners signed free agent RHP Houston Roth to a minor league contract.
Seattle Mariners signed free agent RHP Carlos Martinez to a minor league contract.
Seattle Mariners signed free agent RHP German Arvayo to a minor league contract.

Feb 12 THU

Seattle Mariners invited non-roster LHP Jhonathan Díaz to spring training.
LHP Jhonathan Díaz roster status changed by Seattle Mariners.

Feb 10 TUE

Seattle Mariners signed free agent OF Daniel Amaral to a minor league contract.

Feb 9 MON

Seattle Mariners signed free agent LHP Jhonathan Díaz.
LHP Jhonathan Díaz roster status changed by Seattle Mariners.

Feb 5 THU

Seattle Mariners signed free agent RHP Ben Hernandez to a minor league contract.

Feb 3 TUE

Minnesota Twins claimed RHP Jackson Kowar off waivers from Seattle Mariners.
Seattle Mariners signed free agent C Robert Emery to a minor league contract.
Seattle Mariners signed free agent RHP Ray Cebulski to a minor league contract.

Feb 2 MON

St. Louis Cardinals traded 2B Brendan Donovan to Seattle Mariners for CF Colton Ledbetter, SHP Jurrangelo Cijntje, OF Tai Peete, Draft Pick and Draft Pick.

Jan 30 FRI

Seattle Mariners invited non-roster LHP Kade Anderson to spring training.
Seattle Mariners invited non-roster RHP Charlie Beilenson to spring training.
Seattle Mariners invited non-roster SHP Jurrangelo Cijntje to spring training.
Seattle Mariners invited non-roster RHP Tyler Cleveland to spring training.
Seattle Mariners invited non-roster RHP Nick Davila to spring training.
Seattle Mariners invited non-roster LHP Austin Kitchen to spring training.
Seattle Mariners invited non-roster RHP Teddy McGraw to spring training.
Seattle Mariners invited non-roster RHP Michael Morales to spring training.
Seattle Mariners invited non-roster RHP Ryan Sloan to spring training.
Seattle Mariners invited non-roster RHP Guillo Zuñiga to spring training.
Seattle Mariners invited non-roster SS Michael Arroyo to spring training.
Seattle Mariners invited non-roster C Josh Caron to spring training.
Seattle Mariners invited non-roster C Connor Charping to spring training.
Seattle Mariners invited non-roster OF Jonny Farmelo to spring training.
Seattle Mariners invited non-roster SS Colt Emerson to spring training.
Seattle Mariners invited non-roster CF Victor Labrada to spring training.
Seattle Mariners invited non-roster RF Lazaro Montes to spring training.
Seattle Mariners signed free agent C Brian O'Keefe to a minor league contract and invited him to spring training.
Seattle Mariners invited non-roster OF Spencer Packard to spring training.
Seattle Mariners invited non-roster OF Blake Rambusch to spring training.
Seattle Mariners invited non-roster C Nick Raposo to spring training.
Seattle Mariners invited non-roster 2B Brock Rodden to spring training.
Seattle Mariners invited non-roster C Luke Stevenson to spring training.
Seattle Mariners invited non-roster OF Jared Sundstrom to spring training.
RHP Nick Davila roster status changed by Seattle Mariners.
C Josh Caron roster status changed by Seattle Mariners.

Jan 28 WED

Seattle Mariners sent LHP Jhonathan Díaz outright to Tacoma Rainiers.

Jan 27 TUE

Seattle Mariners designated RHP Jackson Kowar for assignment.
Minnesota Twins traded C Jhonny Pereda to Seattle Mariners for cash.
Seattle Mariners signed free agent RHP Gunner Mayer to a minor league contract.

Jan 26 MON

Seattle Mariners signed free agent C Aaron McKeithan to a minor league contract.
Seattle Mariners signed free agent RHP Abdiel Mendoza to a minor league contract.
Seattle Mariners signed free agent 3B Will Wilson to a minor league contract.
3B Will Wilson roster status changed by Seattle Mariners.

Jan 24 SAT

Seattle Mariners signed free agent C Jakson Reetz to a minor league contract.
C Jakson Reetz roster status changed by Seattle Mariners.

Jan 23 FRI

New York Mets traded RHP Cooper Criswell to Seattle Mariners for cash.
Seattle Mariners designated LHP Jhonathan Díaz for assignment.

Jan 22 THU

Seattle Mariners sent 2B Samad Taylor outright to Tacoma Rainiers.
Seattle Mariners signed free agent RHP Dane Dunning to a minor league contract.
RHP Dane Dunning roster status changed by Seattle Mariners.

Jan 21 WED

Seattle Mariners signed free agent LHP Jack Bowery to a minor league contract.

Jan 20 TUE

Seattle Mariners signed free agent 1B Patrick Wisdom to a minor league contract.
1B Patrick Wisdom roster status changed by Seattle Mariners.

Jan 16 FRI

Seattle Mariners signed free agent RHP Gabe Mosser to a minor league contract.
RHP Gabe Mosser roster status changed by Seattle Mariners.

Jan 15 THU

Seattle Mariners designated 2B Samad Taylor for assignment.
Cincinnati Reds traded RHP Yosver Zulueta to Seattle Mariners for RHP Dusty Revis.
Seattle Mariners signed free agent OF Juan Rijo to a minor league contract.
Seattle Mariners signed free agent OF Gregory Pio to a minor league contract.
Seattle Mariners signed free agent OF Jarvis Gomez to a minor league contract.
Seattle Mariners signed free agent SS Leonardo Reynoso to a minor league contract.
Seattle Mariners signed free agent OF Ambeiro Recio to a minor league contract.

Jan 12 MON

Seattle Mariners signed free agent SS J.T. Arruda to a minor league contract.
2B J.T. Arruda roster status changed by Seattle Mariners.

Jan 8 THU

Seattle Mariners signed free agent RHP Michael Rucker to a minor league contract.
RHP Michael Rucker roster status changed by Seattle Mariners.

Jan 4 SUN

RHP Logan Evans changed number to 23.

The ballpark

Outfield wall plotted from its five measured distances.

Capacity: 47,929
Surface: Grass
Roof: Retractable
Elevation: 10 ft

The system

Nothing in the data names an affiliate. This ladder is built from player movement in 2026 — the figure is how many moves ran between each rung and the one above it.

MLB Seattle Mariners You are here
AAA Tacoma Rainiers Tacoma, Washington 96 moves
AA Arkansas Travelers North Little Rock, Arkansas 18 moves
A+ Everett AquaSox Everett, Washington 13 moves
A Inland Empire 66ers San Bernardino, California 18 moves