Aaron Bummer
Not on a roster
RP
2026 grade
3.9
- Runs prevented
- −9.0
- IP · ERA
- 16.2 · 10.26
- K · BB
- 13 · 11
- 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 allowed7 vs 3 avg−6.0
- Strikeouts13 vs 19 avg−1.7
- Walks11 vs 8 avg−1.1
- Contact allowed (how it turned out counts a quarter)55 vs 56 avg−0.3
- Parks pitched in+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, Aug 6vsMIN | L 3-4 | L | 0.1 | 2 | 3 | 3 | 1 | 0 | 0 | 20 | 14.0 |
| Sun, Aug 2@COL | L 1-8 | 1.0 | 4 | 3 | 3 | 0 | 0 | 1 | 25 | 2.0 | |
| Mon, May 18@MIA | L 0-12 | 1.0 | 3 | 6 | 6 | 5 | 1 | 2 | 42 | 0.2 | |
| Thu, May 14vsCHC | L 0-2 | 1.1 | 0 | 0 | 0 | 0 | 1 | 0 | 14 | 92.1 | |
| Fri, May 8@LAD | L 1-3 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 73.4 | |
| Mon, May 4@SEA | L 4-5 | 0.2 | 2 | 0 | 0 | 1 | 1 | 0 | 14 | 12.4 | |
| Sun, May 3@COL | W 11-6 | W | 1.0 | 3 | 2 | 2 | 0 | 2 | 1 | 16 | 5.4 |
| Thu, Apr 30vsDET | L 2-5 | 0.2 | 0 | 0 | 0 | 1 | 1 | 0 | 12 | 50.3 | |
| Tue, Apr 28vsDET | W 5-2 | 1.0 | 2 | 2 | 2 | 0 | 0 | 1 | 12 | 12.4 | |
| Sun, Apr 26vsPHI | W 6-2 | 1.0 | 1 | 2 | 0 | 0 | 1 | 1 | 25 | 29.5 | |
| Fri, Apr 24vsPHI | W 5-3 | H | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 22 | 55.8 |
| Tue, Apr 21@WSH | L 4-11 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 10 | 77.3 | |
| Mon, Apr 20@WSH | W 9-4 | H | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | – |
| Sun, Apr 19@PHI | W 4-2 | 0.1 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | – | |
| Mon, Apr 13vsMIA | L 4-10 | L | 1.0 | 4 | 3 | 3 | 0 | 2 | 1 | 22 | 3.7 |
| Sat, Apr 11vsCLE | L 0-6 | 0.2 | 0 | 0 | 0 | 2 | 0 | 0 | 22 | 36.7 | |
| Fri, Apr 10vsCLE | W 11-5 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | – | |
| Tue, Apr 7@LAA | W 7-2 | H | 0.1 | 0 | 0 | 0 | 1 | 0 | 0 | 17 | 27.8 |
| Mon, Apr 6@LAA | L 2-6 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 83.4 | |
| Mon, Mar 30vsATH | W 4-0 | H | 1.0 | 1 | 0 | 0 | 0 | 2 | 0 | 13 | 42.1 |
| Sat, Mar 28vsKC | W 6-2 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 79.8 |
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.