← Houston Astros
Tatsuya Imai
Houston Astros
SP · #45 · Bats R · Throws R · 5'11" · 176 lb · Age 28 · 1 yr in MLB
2026 grade
23.9
- Runs prevented
- −0.3
- IP · ERA
- 76.2 · 4.93
- K · BB
- 97 · 51
- Rank
- Not qualified
What the grade is made of
Runs each part saves or costs against an average pitcher facing the same batters. Contact counts a quarter for how it turned out, because over a season that's mostly the fielders and luck.
- Walks51 vs 29 avg−7.1
- Strikeouts97 vs 75 avg+5.9
- Home runs allowed9 vs 10 avg+1.8
- Contact allowed (how it turned out counts a quarter)176 vs 219 avg−0.9
2026 game log: pitching
Game grades need 3 batters faced; starts are ranked against starts, relief outings against relief outings.
| Game | Result | Dec | IP | H | R | ER | BB | K | HR | PC | Grade |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sun, Sep 27@ATH | W 9-0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 10 | 86.5 | |
| Sun, Sep 20vsATL | L 2-4 | 2.0 | 0 | 0 | 0 | 0 | 4 | 0 | 24 | 98.1 | |
| Wed, Sep 16vsKC | L 2-5 | 1.0 | 0 | 0 | 0 | 1 | 1 | 0 | 18 | 64.5 | |
| Wed, Sep 9@PHI | L 7-11 | 2.0 | 1 | 0 | 0 | 3 | 3 | 0 | 43 | 48.2 | |
| Tue, Sep 1vsCHW | L 1-5 | 3.0 | 2 | 2 | 2 | 3 | 5 | 0 | 59 | 47.9 | |
| Thu, Aug 20vsLAA | L 3-18 | 3.0 | 2 | 2 | 2 | 2 | 3 | 0 | 57 | 63.5 | |
| Wed, Aug 12@SF | W 2-1 | 3.0 | 3 | 0 | 0 | 2 | 3 | 0 | 55 | 50.3 | |
| Mon, Aug 3vsTOR | L 1-3 | 3.0 | 0 | 0 | 0 | 0 | 5 | 0 | 34 | 99.7 | |
| Mon, Jul 27@LAA | W 6-4 | GS | 0.2 | 1 | 2 | 2 | 4 | 1 | 0 | 33 | 26.0 |
| Tue, Jul 21vsMIA | W 5-3 | W | 6.0 | 4 | 1 | 1 | 3 | 8 | 0 | 96 | 73.4 |
| Tue, Jul 7@WSH | W 6-3 | GS | 3.2 | 4 | 2 | 2 | 3 | 3 | 1 | 84 | 31.9 |
| Wed, Jul 1vsMIN | L 3-8 | L | 1.1 | 4 | 5 | 5 | 5 | 2 | 2 | 57 | 1.9 |
| Thu, Jun 25@DET | W 2-1 | W | 6.0 | 2 | 0 | 0 | 1 | 10 | 0 | 96 | 96.6 |
| Fri, Jun 19vsCLE | W 9-3 | W | 6.0 | 6 | 3 | 3 | 0 | 11 | 1 | 89 | 55.5 |
| Fri, Jun 12@KC | W 10-8 | GS | 0.2 | 4 | 5 | 5 | 1 | 1 | 0 | 38 | 17.0 |
| Sat, Jun 6vsATH | W 13-2 | W | 5.0 | 5 | 2 | 2 | 3 | 8 | 0 | 92 | 51.0 |
| Sun, May 31vsMIL | L 0-2 | L | 6.0 | 3 | 2 | 2 | 2 | 5 | 1 | 110 | 74.9 |
| Mon, May 25@TEX | W 9-0 | W | 6.0 | 0 | 0 | 0 | 4 | 2 | 0 | 97 | 91.7 |
| Mon, May 18@MIN | L 3-6 | L | 4.2 | 5 | 3 | 3 | 0 | 5 | 2 | 74 | 33.8 |
| Tue, May 12vsSEA | L 2-10 | L | 4.0 | 5 | 6 | 6 | 3 | 3 | 2 | 80 | 7.2 |
| Fri, Apr 10@SEA | L 6-9 | GS | 0.1 | 1 | 3 | 3 | 4 | 0 | 0 | 37 | 17.0 |
| Sat, Apr 4@ATH | W 11-0 | W | 5.2 | 3 | 0 | 0 | 3 | 9 | 0 | 94 | 82.3 |
| Sun, Mar 29vsLAA | W 9-7 | GS | 2.2 | 3 | 4 | 4 | 4 | 4 | 0 | 74 | 31.3 |
Scores, box scores and play-by-play from ESPN. The run values and park factors behind the grades were worked out from Retrosheet's play-by-play: the information used here was obtained free of charge from and is copyrighted by Retrosheet. Interested parties may contact Retrosheet at www.retrosheet.org.