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Played on Diamonds

← Round Rock Express

Pitcher · #98

Mason Thompson

Bats/Throws
R/R
Height
6' 6"
Weight
241 lb
Born
1998-02-20
Birthplace
Round Rock, TX, USA
MLB debut
2021-06-22
Go to Spring

Pitching

Club G IP H R ER BB K BF ERA
AAA Round Rock Express 39 39.2 39 29 25 16 40 177 5.67

Pitching

Club G IP H R ER BB K BF ERA
AAA Round Rock Express 2 1.0 2 1 0 0 2 6 0.00

Pitching

Club G IP H R ER BB K BF ERA
AAA Round Rock Express 8 10.0 8 3 3 4 6 41 2.70

Pitching

Club G IP H R ER BB K BF ERA
AAA Round Rock Express 11 8.1 13 12 11 5 11 46 11.88

Pitching

Club G IP H R ER BB K BF ERA
AAA Round Rock Express 8 10.2 9 8 7 6 10 46 5.91

Pitching

Club G IP H R ER BB K BF ERA
AAA Round Rock Express 5 5.1 3 1 1 1 7 20 1.69

Pitching

Club G IP H R ER BB K BF ERA
AAA Round Rock Express 5 4.1 4 4 3 0 4 18 6.23

Pitching

Club G IP H R ER BB K BF ERA
MLB Texas Rangers 5 3.0 1 0 0 3 2 12 0.00

10 transactions in 2026

  • Aug 18 Round Rock Express released RHP Mason Thompson.
  • Jul 9 Round Rock Express activated RHP Mason Thompson from the temporarily inactive list.
  • Jul 3 Round Rock Express placed RHP Mason Thompson on the temporarily inactive list.
  • Apr 15 Round Rock Express activated RHP Mason Thompson.
  • Apr 11 Round Rock Express transferred RHP Mason Thompson to the Development List.
  • Apr 1 RHP Mason Thompson assigned to Round Rock Express from Frisco RoughRiders.
  • Mar 31 RHP Mason Thompson assigned to Frisco RoughRiders from Round Rock Express.
  • Feb 20 RHP Mason Thompson assigned to Texas Rangers.
  • Feb 4 RHP Mason Thompson assigned to Round Rock Express.
  • Feb 3 Texas Rangers signed free agent RHP Mason Thompson to a minor league contract.