Mark Leiter Jr.
Not on a roster
RP
2026 grade
64.4
- Runs prevented
- +3.9
- IP · ERA
- 33.2 · 4.28
- K · BB
- 38 · 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 allowed2 vs 4 avg+3.3
- Strikeouts38 vs 32 avg+1.7
- Contact allowed (how it turned out counts a quarter)89 vs 93 avg−1.0
- Hit batters4 vs 2 avg−0.8
- Walks10 vs 12 avg+0.8
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sat, Jul 18vsWSH | W 15-1 | 1.0 | 1 | 0 | 0 | 1 | 2 | 0 | 31 | 29.4 | |
| Sun, Jul 12@CHW | L 1-9 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 77.9 | |
| Thu, Jul 9@DET | L 1-4 | 1.0 | 1 | 0 | 0 | 0 | 2 | 0 | 19 | 39.2 | |
| Fri, Jul 3vsMIA | L 5-12 | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 | 13 | 49.6 | |
| Tue, Jun 16vsPIT | L 5-6 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 9 | 58.3 | |
| Sat, Jun 13vsCOL | W 7-5 | H | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 | 13 | 44.6 |
| Mon, Jun 8vsMIL | L 14-15 | H | 0.1 | 1 | 1 | 1 | 2 | 1 | 0 | 23 | 16.1 |
| Sun, Jun 7@HOU | W 5-0 | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 | 16 | 76.1 | |
| Thu, Jun 4@CHC | L 6-7 | H | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 | 16 | 71.5 |
| Wed, Jun 3@CHC | W 5-4 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | – | |
| Sun, May 31vsNYY | L 8-13 | 1.0 | 0 | 0 | 0 | 1 | 0 | 0 | 10 | 50.8 | |
| Fri, May 29vsNYY | L 2-8 | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 | 17 | 57.1 | |
| Sun, May 24@SD | W 5-2 | H | 1.0 | 0 | 0 | 0 | 1 | 0 | 0 | 13 | 61.3 |
| Thu, May 21@LAA | W 3-2 | S | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 | 11 | 43.7 |
| Wed, May 20@LAA | W 6-5 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 11 | 77.3 | |
| Sat, May 16vsSF | L 4-6 | 2.0 | 2 | 0 | 0 | 0 | 2 | 0 | 25 | 60.1 | |
| Thu, May 14vsSTL | L 4-5 | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 | 15 | 81.8 | |
| Tue, May 12vsSTL | L 4-6 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 12 | 81.8 | |
| Sat, May 9@BAL | W 6-2 | 1.0 | 3 | 2 | 2 | 0 | 1 | 0 | 19 | 15.2 | |
| Tue, May 5@PHI | L 1-9 | 0.2 | 3 | 4 | 4 | 1 | 1 | 0 | 22 | 5.1 | |
| Sun, May 3vsCLE | W 7-1 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 10 | 85.7 | |
| Wed, Apr 29vsKC | W 5-2 | S | 0.1 | 0 | 0 | 0 | 1 | 1 | 0 | 11 | – |
| Tue, Apr 28vsKC | L 1-4 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 9 | 84.3 | |
| Sat, Apr 25@TEX | L 3-4 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 13 | 74.1 | |
| Wed, Apr 22@SEA | L 4-5 | 1.0 | 2 | 1 | 1 | 0 | 1 | 0 | 18 | 25.4 | |
| Mon, Apr 20@SEA | W 6-4 | H | 1.0 | 2 | 0 | 0 | 0 | 1 | 0 | 19 | 33.6 |
| Sat, Apr 18vsCHW | W 7-6 | 0.2 | 0 | 0 | 0 | 2 | 1 | 0 | 12 | 50.7 | |
| Wed, Apr 15vsTEX | W 6-5 | 0.2 | 2 | 3 | 3 | 1 | 1 | 1 | 22 | 5.9 | |
| Tue, Apr 14vsTEX | W 2-1 | S | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 | 13 | 86.5 |
| Sat, Apr 11@NYM | W 11-6 | 1.0 | 0 | 0 | 0 | 0 | 3 | 0 | 14 | 74.1 | |
| Fri, Apr 10@NYM | W 4-0 | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 | 12 | 54.4 | |
| Tue, Apr 7@NYY | L 3-5 | L | 0.2 | 5 | 4 | 4 | 0 | 0 | 1 | 28 | 1.3 |
| Sun, Apr 5vsHOU | W 12-10 | B | 1.0 | 1 | 0 | 0 | 1 | 0 | 0 | 26 | 40.4 |
| Tue, Mar 31@ATL | W 5-2 | S | 1.0 | 2 | 0 | 0 | 0 | 1 | 0 | 13 | 35.4 |
| Mon, Mar 30@ATL | L 0-4 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 8 | 44.8 | |
| Sat, Mar 28@TOR | L 7-8 | 0.2 | 2 | 1 | 1 | 0 | 0 | 0 | 17 | 17.7 |
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.