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Played on Diamonds

← Houston Astros

Pitcher · #45

Tatsuya Imai

Bats/Throws
R/R
Height
5' 11"
Weight
176 lb
Born
1998-05-09
Birthplace
Kanuma, Japan
MLB debut
2026-03-29
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Pitching

Club G IP H R ER BB K BF ERA
MLB Houston Astros 23 76.2 58 42 42 51 97 338 4.93
AAA Sugar Land Space Cowboys 1 3.0 1 1 1 5 3 14 3.00
AA Corpus Christi Hooks 1 2.0 6 5 5 3 2 14 22.50
Total 25 81.2 65 48 48 59 102 366 5.29

Pitching

Club G IP H R ER BB K BF ERA
MLB Houston Astros 1 2.2 3 4 4 4 4 15 13.50

Pitching

Club G IP H R ER BB K BF ERA
MLB Houston Astros 2 6.0 4 3 3 7 9 29 4.50
AA Corpus Christi Hooks 1 2.0 6 5 5 3 2 14 22.50
Total 3 8.0 10 8 8 10 11 43 9.00

Pitching

Club G IP H R ER BB K BF ERA
MLB Houston Astros 4 20.2 13 11 11 9 15 82 4.79
AAA Sugar Land Space Cowboys 1 3.0 1 1 1 5 3 14 3.00
Total 5 23.2 14 12 12 14 18 96 4.56

Pitching

Club G IP H R ER BB K BF ERA
MLB Houston Astros 4 17.2 17 10 10 5 30 76 5.09

Pitching

Club G IP H R ER BB K BF ERA
MLB Houston Astros 4 11.2 13 10 10 15 14 63 7.71

Pitching

Club G IP H R ER BB K BF ERA
MLB Houston Astros 3 9.0 5 2 2 4 11 36 2.00

Pitching

Club G IP H R ER BB K BF ERA
MLB Houston Astros 5 9.0 3 2 2 7 14 37 2.00

Pitching

Club G IP H R ER BB K BF ERA
MLB Houston Astros 3 6.0 2 0 0 1 7 20 0.00

5 transactions in 2026

  • May 12 Houston Astros activated RHP Tatsuya Imai from the 15-day injured list.
  • May 5 Houston Astros sent RHP Tatsuya Imai on a rehab assignment to Sugar Land Space Cowboys.
  • Apr 28 Houston Astros sent RHP Tatsuya Imai on a rehab assignment to Corpus Christi Hooks.
  • Apr 13 Houston Astros placed RHP Tatsuya Imai on the 15-day injured list retroactive to April 12, 2026. Right arm fatigue.
  • Jan 2 Houston Astros signed free agent RHP Tatsuya Imai.