Tatsuya Imai | Houston Astros
MLB Player
Tatsuya Imai
Houston AstrosHeight5' 11"Weight176 lbsAge28Experience1st Season
6-4W-LTied-124th
4.93ERA
97KTied-131st
1.42WHIP
Player Information
PositionStarting Pitcher
Jersey#45
Date of Birth9/5/1998
BirthplaceTochigi, Japan
Experience1st Season
Bats / ThrowsRight/Right
MLB Debut2026
StatusActive
Next Game
More Houston Astros Players
Season, Postseason & Career
| Split | GP | GS | CG | SHO | IP | H | R | ER | HR | BB | K |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular Season | 23 | 15 | 0 | 0 | 76.2 | 58 | 42 | 42 | 9 | 51 | 97 |
| Career | 23 | 15 | 0 | 0 | 76.2 | 58 | 42 | 42 | 9 | 51 | 97 |
Pitching by Season
| Season | GP | GS | W | L | W% | WAR | ERA | WHIP | IP | K | BB | K/BB | H | R | ER | SV | HLD | BLSV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 23 | 15 | 6 | 4 | .600 | 0.4 | 4.93 | 1.42 | 76.2 | 97 | 51 | 1.9 | 58 | 42 | 42 | 0 | 0 | 0 |
| Career | 23 | 15 | 6 | 4 | .600 | -- | 4.93 | 1.42 | 76.2 | 97 | 51 | 1.9 | 58 | 42 | 42 | 0 | 0 | 0 |
Opponent Batting by Season
| Season | P | TBF | P-TBF | OBA | OOBP | OSLUG | OOPS | 2B | 3B | HR | TB | RBI | BH | SH | SF | IBB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1451 | 338 | 4.293 | .207 | .335 | .336 | .671 | 9 | 0 | 9 | 94 | 39 | 4 | 1 | 2 | 0 |
| Career | 1451 | 338 | 4.293 | .207 | .335 | .336 | .671 | 9 | 0 | 9 | 94 | 39 | 4 | 1 | 2 | 0 |
Expanded Pitching by Season
| Season | P/S | P/I | K/9 | QS | CG | SHO | GSC | GB | FB | G/F | IR | IRS | WP | BK | SB | CS | RSUP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 76.7 | 18.9 | 11.4 | 5 | 0 | 0 | 48.7 | 78 | 108 | 0.7 | 0 | 0 | 2 | 3 | 6 | 1 | 94.0 |
| Career | 76.7 | 18.9 | 11.4 | 5 | 0 | 0 | 0.0 | 78 | 108 | 0.7 | 0 | 0 | 2 | 3 | 6 | 1 | 94.0 |
Game Log
| Game | Result | IP | H | R | ER | HR | BB | K | GB | FB | P | TBF | GSC | Dec | Rel | ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 @ ATH2026 Regular Season | W 9-0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 10 | 3 | 0.0 | - | - | 4.93 |
 vs ATL2026 Regular Season | L 4-2 | 2.0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 1 | 24 | 6 | 0.0 | - | - | 5.00 |
 vs KC2026 Regular Season | L 5-2 | 1.0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 18 | 4 | 0.0 | - | - | 5.13 |
 @ PHI2026 Regular Season | L 11-7 | 2.0 | 1 | 0 | 0 | 0 | 3 | 3 | 2 | 2 | 43 | 10 | 0.0 | - | - | 5.20 |
 vs CHW2026 Regular Season | L 5-1 | 3.0 | 2 | 2 | 2 | 0 | 3 | 5 | 0 | 6 | 59 | 14 | 0.0 | - | - | 5.35 |
 vs LAA2026 Regular Season | L 18-3 | 3.0 | 2 | 2 | 2 | 0 | 2 | 3 | 5 | 3 | 57 | 13 | 0.0 | - | - | 5.32 |
 @ SF2026 Regular Season | W 2-1 | 3.0 | 3 | 0 | 0 | 0 | 2 | 3 | 2 | 7 | 55 | 14 | 0.0 | - | - | 5.29 |
 vs TOR2026 Regular Season | L 3-1 | 3.0 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 3 | 34 | 9 | 0.0 | - | - | 5.55 |
| @ LAA2026 Regular Season | W 6-4 | 0.2 | 1 | 2 | 2 | 0 | 4 | 1 | 1 | 1 | 33 | 7 | 39.0 | - | - | 5.83 |
 vs MIA2026 Regular Season | W 5-3 | 6.0 | 4 | 1 | 1 | 0 | 3 | 8 | 5 | 9 | 96 | 25 | 65.0 | W(6-4) | - | 5.59 |
 @ WSH2026 Regular SeasonWeek 27 | W 6-3 | 3.2 | 4 | 2 | 2 | 1 | 3 | 3 | 5 | 7 | 84 | 18 | 45.0 | - | - | 6.06 |
 vs MIN2026 Regular SeasonWeek 26 | L 8-3 | 1.1 | 4 | 5 | 5 | 2 | 5 | 2 | 0 | 6 | 57 | 13 | 23.0 | L(5-4) | - | 6.14 |
 @ DET2026 Regular SeasonWeek 26 | W 2-1 | 6.0 | 2 | 0 | 0 | 0 | 1 | 10 | 6 | 4 | 96 | 21 | 77.0 | W(5-3) | - | 5.36 |
 vs CLE2026 Regular SeasonWeek 25 | W 9-3 | 6.0 | 6 | 3 | 3 | 1 | 0 | 11 | 2 | 11 | 89 | 24 | 59.0 | W(4-3) | - | 6.15 |
| @ KC2026 Regular SeasonWeek 24 | W 10-8 | 0.2 | 4 | 5 | 5 | 0 | 1 | 1 | 2 | 3 | 38 | 7 | 24.0 | - | - | 6.43 |
| vs ATH2026 Regular SeasonWeek 23 | W 13-2 | 5.0 | 5 | 2 | 2 | 0 | 3 | 8 | 6 | 6 | 92 | 24 | 54.0 | W(3-3) | - | 5.24 |
 vs MIL2026 Regular SeasonWeek 22 | L 2-0 | 6.0 | 3 | 2 | 2 | 1 | 2 | 5 | 8 | 8 | 110 | 23 | 61.0 | L(2-3) | - | 5.52 |
 @ TEX2026 Regular SeasonWeek 21 | W 9-0 | 6.0 | 0 | 0 | 0 | 0 | 4 | 2 | 8 | 6 | 97 | 20 | 70.0 | W(2-2) | - | 6.17 |
| @ MIN2026 Regular SeasonWeek 20 | L 6-3 | 4.2 | 5 | 3 | 3 | 2 | 0 | 5 | 6 | 7 | 74 | 18 | 47.0 | L(1-2) | - | 8.31 |
 vs SEA2026 Regular SeasonWeek 19 | L 10-2 | 4.0 | 5 | 6 | 6 | 2 | 3 | 3 | 6 | 7 | 80 | 21 | 28.0 | L(1-1) | - | 9.24 |
| @ SEA2026 Regular SeasonWeek 15 | L 9-6 | 0.1 | 1 | 3 | 3 | 0 | 4 | 0 | 2 | 0 | 37 | 7 | 33.0 | - | - | 7.27 |
| @ ATH2026 Regular SeasonWeek 14 | W 11-0 | 5.2 | 3 | 0 | 0 | 0 | 3 | 9 | 5 | 5 | 94 | 22 | 69.0 | W(1-0) | - | 4.32 |
| vs LAA2026 Regular SeasonWeek 13 | W 9-7 | 2.2 | 3 | 4 | 4 | 0 | 4 | 4 | 4 | 3 | 74 | 15 | 36.0 | - | - | 13.50 |