Stephen Kolek
Not on a roster
SP
2026 grade
21.7
- Runs prevented
- −2.0
- IP · ERA
- 54.0 · 4.50
- K · BB
- 34 · 12
- 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.
- Strikeouts34 vs 50 avg−4.3
- Walks12 vs 19 avg+2.4
- Home runs allowed8 vs 7 avg−1.6
- Contact allowed (how it turned out counts a quarter)168 vs 145 avg+1.0
- Parks pitched in+0.4
- Hit batters2 vs 3 avg+0.2
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thu, Jul 2vsTB | L 2-5 | L | 2.0 | 4 | 3 | 3 | 1 | 0 | 0 | 51 | 23.2 |
| Sun, Jun 21vsSTL | L 10-12 | L | 1.2 | 9 | 9 | 9 | 1 | 0 | 3 | 49 | 0.1 |
| Sun, Jun 14vsHOU | W 4-0 | W | 7.1 | 5 | 0 | 0 | 1 | 4 | 0 | 97 | 88.2 |
| Tue, Jun 9vsTEX | W 5-3 | GS | 5.0 | 8 | 2 | 1 | 1 | 3 | 0 | 86 | 35.1 |
| Wed, Jun 3@CIN | W 5-2 | GS | 7.0 | 6 | 2 | 2 | 2 | 8 | 1 | 96 | 58.8 |
| Fri, May 29@TEX | L 1-9 | L | 5.0 | 6 | 6 | 4 | 1 | 5 | 1 | 91 | 32.1 |
| Sat, May 23vsSEA | W 5-0 | W | 9.0 | 4 | 0 | 0 | 1 | 2 | 0 | 108 | 97.7 |
| Sun, May 17@STL | W 2-0 | W | 6.1 | 4 | 0 | 0 | 1 | 3 | 0 | 82 | 84.9 |
| Tue, May 12@CHW | L 5-6 | GS | 4.2 | 5 | 5 | 5 | 3 | 6 | 2 | 94 | 20.5 |
| Tue, May 5vsCLE | W 5-3 | W | 6.0 | 4 | 3 | 3 | 0 | 3 | 1 | 83 | 84.0 |
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.