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Jacob Lopez
Athletics
SP · #57 · Bats L · Throws L · 6'4" · 220 lb · Age 28 · 4 yrs in MLB
2026 grade
2.2
- Runs prevented
- −13.7
- IP · ERA
- 123.1 · 5.47
- K · BB
- 112 · 58
- 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 allowed23 vs 17 avg−8.7
- Walks58 vs 47 avg−3.4
- Strikeouts112 vs 122 avg−2.8
- Hit batters4 vs 6 avg+0.8
- Parks pitched in+0.5
- Contact allowed (how it turned out counts a quarter)351 vs 355 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fri, Sep 25vsHOU | W 6-5 | W | 6.0 | 2 | 1 | 1 | 2 | 4 | 1 | 94 | 84.0 |
| Sat, Sep 19@CLE | L 6-12 | L | 2.2 | 10 | 10 | 10 | 0 | 1 | 2 | 63 | 0.4 |
| Sun, Sep 13vsSEA | W 8-7 | GS | 3.2 | 6 | 5 | 5 | 3 | 3 | 1 | 102 | 13.5 |
| Mon, Sep 7vsTOR | W 6-5 | GS | 6.0 | 7 | 4 | 4 | 1 | 1 | 2 | 93 | 30.5 |
| Wed, Sep 2@TEX | W 9-2 | W | 6.0 | 6 | 2 | 2 | 2 | 7 | 2 | 102 | 30.6 |
| Fri, Aug 28vsBAL | L 3-4 | GS | 5.0 | 3 | 2 | 1 | 3 | 6 | 0 | 100 | 72.5 |
| Sat, Aug 22@HOU | W 4-3 | GS | 6.0 | 3 | 1 | 1 | 1 | 9 | 0 | 91 | 93.2 |
| Sun, Aug 16vsTEX | W 5-2 | GS | 6.0 | 5 | 2 | 2 | 2 | 6 | 1 | 93 | 53.9 |
| Mon, Aug 10vsTB | L 6-10 | GS | 7.0 | 5 | 2 | 2 | 1 | 5 | 1 | 93 | 79.5 |
| Wed, Aug 5@CIN | L 2-3 | GS | 5.0 | 4 | 2 | 2 | 1 | 9 | 1 | 87 | 59.5 |
| Wed, Jul 29vsBOS | L 2-4 | GS | 5.1 | 7 | 2 | 1 | 2 | 8 | 1 | 97 | 32.0 |
| Fri, Jul 24@MIN | W 2-0 | W | 5.0 | 1 | 0 | 0 | 4 | 4 | 0 | 91 | 78.2 |
| Sun, Jul 19vsWSH | L 2-5 | L | 4.1 | 2 | 2 | 2 | 2 | 6 | 0 | 84 | 66.2 |
| Fri, Jul 10@CHW | L 1-14 | GS | 1.2 | 0 | 0 | 0 | 0 | 1 | 0 | 12 | 74.1 |
| Tue, Jul 7@DET | L 2-6 | 3.0 | 5 | 4 | 4 | 1 | 4 | 0 | 63 | 11.9 | |
| Sun, May 31vsNYY | L 8-13 | L | 2.0 | 5 | 7 | 7 | 2 | 3 | 0 | 56 | 19.7 |
| Sun, May 24@SD | W 5-2 | W | 4.2 | 6 | 1 | 1 | 1 | 3 | 0 | 91 | 18.4 |
| Tue, May 19@LAA | W 14-6 | GS | 3.2 | 7 | 4 | 4 | 3 | 2 | 1 | 83 | 10.8 |
| Thu, May 14vsSTL | L 4-5 | GS | 5.0 | 4 | 3 | 2 | 3 | 2 | 2 | 86 | 33.3 |
| Fri, May 8@BAL | W 4-3 | W | 5.1 | 3 | 2 | 2 | 2 | 5 | 2 | 91 | 51.7 |
| Sat, May 2vsCLE | L 6-14 | L | 5.1 | 8 | 6 | 6 | 1 | 5 | 2 | 96 | 14.1 |
| Sun, Apr 26@TEX | W 2-1 | H | 1.0 | 1 | 1 | 1 | 2 | 1 | 0 | 25 | 20.6 |
| Tue, Apr 21@SEA | W 5-2 | W | 5.1 | 7 | 2 | 2 | 2 | 1 | 1 | 86 | 25.7 |
| Thu, Apr 16vsTEX | L 6-9 | GS | 5.0 | 3 | 2 | 2 | 4 | 5 | 0 | 85 | 61.9 |
| Sat, Apr 11@NYM | W 11-6 | W | 5.0 | 7 | 5 | 5 | 3 | 5 | 2 | 96 | 13.9 |
| Sun, Apr 5vsHOU | W 12-10 | GS | 4.1 | 3 | 3 | 3 | 5 | 6 | 1 | 92 | 37.9 |
| Mon, Mar 30@ATL | L 0-4 | L | 4.0 | 6 | 3 | 3 | 5 | 0 | 0 | 91 | 17.6 |
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.