← Detroit Tigers
Keider Montero
Detroit Tigers
SP · #54 · Bats R · Throws R · 6'1" · 145 lb · Age 26 · 3 yrs in MLB
2026 grade
54.3
- Runs prevented
- +8.5
- IP · ERA
- 155.0 · 3.48
- K · BB
- 107 · 37
- 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.
- Strikeouts107 vs 138 avg−8.4
- Contact allowed (how it turned out counts a quarter)454 vs 401 avg+6.7
- Walks35 vs 54 avg+6.0
- Home runs allowed17 vs 19 avg+2.6
- Parks pitched in+1.2
- Hit batters6 vs 7 avg+0.4
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon, Sep 21vsWSH | W 9-2 | W | 4.0 | 1 | 0 | 0 | 1 | 5 | 0 | 58 | 99.8 |
| Wed, Sep 16@TOR | L 1-5 | L | 4.0 | 6 | 2 | 2 | 2 | 4 | 0 | 89 | 27.5 |
| Wed, Sep 9vsMIN | W 7-2 | GS | 4.0 | 2 | 2 | 2 | 2 | 2 | 2 | 74 | 32.3 |
| Fri, Sep 4@CLE | L 6-7 | GS | 4.0 | 8 | 6 | 6 | 1 | 4 | 1 | 82 | 7.6 |
| Sat, Aug 29vsLAD | W 2-1 | GS | 5.1 | 4 | 1 | 1 | 1 | 3 | 0 | 73 | 80.7 |
| Tue, Aug 18@PIT | L 1-4 | L | 5.0 | 4 | 3 | 3 | 1 | 3 | 1 | 78 | 58.9 |
| Thu, Aug 13vsCLE | W 3-0 | W | 6.1 | 3 | 0 | 0 | 1 | 0 | 0 | 88 | 95.7 |
| Fri, Aug 7@SF | L 2-5 | L | 6.0 | 5 | 5 | 5 | 3 | 5 | 2 | 82 | 36.0 |
| Sun, Aug 2@ATH | W 11-0 | W | 6.0 | 2 | 0 | 0 | 2 | 2 | 0 | 86 | 87.5 |
| Mon, Jul 27vsBAL | L 5-8 | L | 4.1 | 9 | 6 | 4 | 1 | 1 | 1 | 80 | 8.5 |
| Wed, Jul 22@CHC | W 5-1 | W | 5.1 | 3 | 1 | 1 | 0 | 8 | 1 | 81 | 80.8 |
| Fri, Jul 17@LAA | W 2-1 | W | 3.1 | 1 | 0 | 0 | 0 | 5 | 0 | 43 | 99.1 |
| Sun, Jul 12vsPHI | L 0-5 | 3.0 | 4 | 3 | 3 | 1 | 5 | 0 | 58 | 38.6 | |
| Wed, Jul 8vsATH | W 6-1 | 1.2 | 2 | 0 | 0 | 1 | 1 | 0 | 32 | 46.0 | |
| Sat, Jul 4@TEX | W 3-0 | S | 3.0 | 0 | 0 | 0 | 1 | 0 | 0 | 36 | 99.4 |
| Wed, Jul 1@NYY | W 6-2 | W | 2.0 | 0 | 0 | 0 | 1 | 3 | 0 | 23 | 96.4 |
| Fri, Jun 26vsHOU | W 8-0 | W | 7.0 | 6 | 0 | 0 | 1 | 3 | 0 | 96 | 78.6 |
| Sun, Jun 21vsCHW | W 5-4 | GS | 7.0 | 6 | 3 | 3 | 0 | 3 | 1 | 76 | 77.7 |
| Tue, Jun 16@HOU | L 2-4 | L | 1.1 | 2 | 2 | 1 | 0 | 2 | 0 | 30 | 60.2 |
| Thu, Jun 11vsMIN | W 11-0 | W | 6.1 | 4 | 0 | 0 | 1 | 4 | 0 | 96 | 92.5 |
| Sat, Jun 6vsSEA | L 0-4 | L | 5.0 | 6 | 4 | 4 | 1 | 1 | 1 | 79 | 25.4 |
| Sun, May 31@CHW | L 1-2 | GS | 6.0 | 2 | 0 | 0 | 0 | 4 | 0 | 65 | 96.1 |
| Tue, May 26vsLAA | L 6-10 | GS | 5.2 | 8 | 4 | 4 | 1 | 7 | 1 | 89 | 19.2 |
| Tue, May 19vsCLE | L 3-4 | GS | 5.0 | 2 | 3 | 3 | 4 | 1 | 1 | 85 | 57.6 |
| Thu, May 14@NYM | L 4-9 | L | 4.2 | 4 | 4 | 4 | 2 | 2 | 2 | 70 | 32.7 |
| Fri, May 8@KC | L 3-4 | GS | 6.0 | 3 | 1 | 1 | 1 | 4 | 0 | 71 | 89.3 |
| Sat, May 2vsTEX | W 5-1 | W | 6.2 | 5 | 1 | 1 | 2 | 2 | 1 | 85 | 70.7 |
| Sun, Apr 26@CIN | W 8-3 | GS | 5.0 | 5 | 3 | 3 | 2 | 5 | 2 | 86 | 16.2 |
| Tue, Apr 21vsMIL | L 4-12 | L | 5.2 | 5 | 3 | 3 | 1 | 3 | 0 | 88 | 76.9 |
| Thu, Apr 16vsKC | W 10-9 | GS | 6.0 | 7 | 4 | 4 | 0 | 5 | 0 | 83 | 61.0 |
| Fri, Apr 10vsMIA | W 2-0 | W | 6.0 | 2 | 0 | 0 | 1 | 7 | 0 | 80 | 91.1 |
| Sun, Apr 5vsSTL | L 3-5 | L | 4.1 | 3 | 3 | 2 | 1 | 3 | 0 | 63 | 80.2 |
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.