← Houston Astros
Peter Lambert
Houston Astros
SP · #38 · Bats R · Throws R · 6'2" · 208 lb · Age 29 · 5 yrs in MLB
2026 grade
34.8
- Runs prevented
- +4.3
- IP · ERA
- 155.2 · 3.82
- K · BB
- 154 · 59
- 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.
- Home runs allowed17 vs 20 avg+4.4
- Strikeouts154 vs 147 avg+1.9
- Hit batters12 vs 8 avg−1.5
- Contact allowed (how it turned out counts a quarter)418 vs 428 avg+0.7
- Walks59 vs 57 avg−0.6
- Parks pitched in−0.5
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Wed, Sep 30vsCHWPostseason | L 3-7 | 3.0 | 0 | 2 | 2 | 2 | 2 | 0 | 48 | 98.9 | |
| Sun, Sep 27@ATH | W 9-0 | GS | 2.0 | 2 | 0 | 0 | 0 | 1 | 0 | 41 | 61.4 |
| Thu, Sep 24@ATH | W 7-5 | GS | 2.2 | 6 | 4 | 4 | 2 | 6 | 2 | 62 | 4.1 |
| Fri, Sep 18vsATL | L 2-6 | L | 5.1 | 6 | 2 | 2 | 1 | 6 | 1 | 87 | 49.4 |
| Sat, Sep 12@TB | L 2-3 | L | 6.0 | 6 | 3 | 3 | 0 | 4 | 0 | 85 | 64.4 |
| Sun, Sep 6vsARI | L 2-3 | L | 7.0 | 7 | 3 | 3 | 0 | 6 | 1 | 98 | 42.3 |
| Mon, Aug 31vsCHW | W 6-3 | GS | 4.2 | 3 | 2 | 2 | 5 | 6 | 0 | 104 | 51.7 |
| Wed, Aug 26@NYY | L 3-9 | GS | 5.2 | 7 | 3 | 2 | 3 | 5 | 1 | 102 | 28.6 |
| Thu, Aug 20vsLAA | L 3-18 | L | 3.2 | 8 | 9 | 9 | 2 | 3 | 0 | 79 | 13.1 |
| Fri, Aug 14vsSEA | W 10-7 | GS | 5.0 | 4 | 2 | 2 | 2 | 6 | 0 | 96 | 56.5 |
| Sat, Aug 8@SD | L 2-3 | L | 5.0 | 5 | 3 | 2 | 3 | 3 | 1 | 97 | 39.6 |
| Sun, Aug 2vsTEX | W 7-3 | GS | 5.2 | 3 | 2 | 2 | 2 | 8 | 0 | 83 | 82.3 |
| Tue, Jul 28@LAA | W 3-2 | GS | 5.0 | 7 | 2 | 2 | 1 | 6 | 0 | 90 | 41.7 |
| Wed, Jul 22vsMIA | W 5-2 | GS | 6.0 | 6 | 2 | 2 | 2 | 3 | 0 | 89 | 61.3 |
| Fri, Jul 17vsBAL | L 2-3 | GS | 6.0 | 3 | 1 | 1 | 3 | 10 | 0 | 104 | 83.7 |
| Sat, Jul 11@TEX | W 9-3 | W | 6.0 | 3 | 1 | 1 | 1 | 7 | 1 | 107 | 78.7 |
| Sun, Jul 5vsTB | W 2-0 | W | 5.2 | 3 | 0 | 0 | 1 | 6 | 0 | 90 | 91.6 |
| Mon, Jun 29vsMIN | L 4-5 | L | 5.2 | 5 | 4 | 4 | 3 | 4 | 3 | 100 | 20.3 |
| Tue, Jun 23@TOR | W 9-7 | GS | 4.2 | 6 | 2 | 2 | 3 | 6 | 1 | 92 | 20.6 |
| Wed, Jun 17vsDET | W 4-2 | W | 7.0 | 2 | 1 | 1 | 0 | 5 | 1 | 89 | 95.3 |
| Wed, Jun 10@LAA | L 2-3 | GS | 6.1 | 5 | 2 | 2 | 0 | 6 | 2 | 91 | 63.3 |
| Fri, Jun 5vsATH | W 5-1 | W | 5.1 | 5 | 1 | 1 | 4 | 4 | 1 | 94 | 29.7 |
| Sat, May 30vsMIL | W 9-2 | W | 5.0 | 5 | 2 | 2 | 3 | 3 | 0 | 90 | 47.1 |
| Sun, May 24@CHC | W 8-5 | W | 5.0 | 5 | 3 | 3 | 4 | 5 | 0 | 103 | 32.3 |
| Sun, May 17vsTEX | L 0-8 | L | 6.0 | 3 | 5 | 5 | 2 | 6 | 1 | 93 | 68.6 |
| Mon, May 11vsSEA | L 1-3 | L | 7.0 | 6 | 3 | 3 | 1 | 6 | 1 | 96 | 69.8 |
| Tue, May 5vsLAD | W 2-1 | W | 7.0 | 3 | 0 | 0 | 4 | 4 | 0 | 104 | 86.4 |
| Thu, Apr 30@BAL | L 3-10 | L | 4.1 | 2 | 2 | 2 | 3 | 3 | 0 | 91 | 65.9 |
| Wed, Apr 22@CLE | W 2-0 | W | 6.0 | 3 | 0 | 0 | 3 | 8 | 0 | 96 | 87.0 |
| Fri, Apr 17vsSTL | L 4-9 | L | 5.0 | 7 | 4 | 4 | 1 | 8 | 0 | 90 | 30.4 |
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.