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Seth Johnson
Athletics
RP · #52 · Bats R · Throws R · 6'1" · 205 lb · Age 28 · 3 yrs in MLB
2026 grade
16.1
- Runs prevented
- −2.5
- IP · ERA
- 33.2 · 5.88
- K · BB
- 40 · 20
- 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.
- Walks20 vs 14 avg−2.1
- Contact allowed (how it turned out counts a quarter)91 vs 102 avg−1.8
- Strikeouts40 vs 35 avg+1.3
- Parks pitched in+0.3
- Home runs allowed5 vs 5 avg−0.2
- Hit batters2 vs 2 avg−0.1
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sun, Sep 27vsHOU | L 0-9 | GS | 1.2 | 1 | 0 | 0 | 2 | 2 | 0 | 36 | 52.2 |
| Fri, Sep 25vsHOU | W 6-5 | 1.0 | 1 | 1 | 1 | 0 | 1 | 1 | 14 | 23.1 | |
| Tue, Sep 22vsLAA | W 9-7 | 2.2 | 4 | 1 | 1 | 1 | 1 | 0 | 42 | 10.2 | |
| Fri, Sep 18@CLE | L 3-5 | 1.0 | 2 | 1 | 1 | 0 | 1 | 1 | 19 | 12.7 | |
| Wed, Sep 16@TB | L 3-4 | 2.1 | 0 | 0 | 0 | 0 | 4 | 0 | 24 | 99.2 | |
| Sat, Sep 12vsSEA | L 1-19 | 2.0 | 4 | 2 | 2 | 0 | 1 | 0 | 22 | 16.7 | |
| Sun, Sep 6@SEA | L 0-2 | 2.0 | 0 | 0 | 0 | 0 | 4 | 0 | 21 | 97.2 | |
| Mon, Aug 17@KC | L 5-9 | 1.0 | 3 | 2 | 2 | 0 | 1 | 0 | 15 | 7.8 | |
| Wed, Aug 12vsTB | L 4-8 | 1.0 | 0 | 0 | 0 | 1 | 0 | 0 | 16 | 65.9 | |
| Mon, Aug 10vsTB | L 6-10 | 0.0 | 3 | 4 | 4 | 1 | 0 | 1 | 11 | 1.6 | |
| Sat, Aug 8@BOS | W 7-3 | 0.2 | 1 | 0 | 0 | 1 | 1 | 0 | 20 | 24.2 | |
| Thu, Aug 6@CIN | L 5-6 | 2.0 | 3 | 1 | 1 | 0 | 4 | 1 | 42 | 13.5 | |
| Wed, Jul 29@MIA | L 6-8 | B | 0.2 | 1 | 0 | 0 | 1 | 0 | 0 | 17 | 32.6 |
| Sat, Jul 25vsNYY | L 1-3 | 0.1 | 2 | 0 | 0 | 0 | 0 | 0 | 11 | 20.3 | |
| Wed, Jul 22vsLAD | L 5-9 | 0.2 | 1 | 0 | 0 | 0 | 2 | 0 | 7 | 46.3 | |
| Sun, Jul 19vsNYM | L 1-6 | 1.1 | 1 | 0 | 0 | 2 | 2 | 0 | 31 | 29.6 | |
| Thu, Jul 16vsNYM | L 1-4 | 2.0 | 1 | 1 | 1 | 1 | 2 | 0 | 27 | 66.8 | |
| Mon, Jul 6@KC | L 1-15 | 0.2 | 0 | 0 | 0 | 1 | 1 | 0 | 15 | 51.8 | |
| Sun, Jul 5@KC | L 2-5 | 0.1 | 0 | 2 | 2 | 2 | 0 | 0 | 14 | 28.9 | |
| Wed, Jul 1vsPIT | W 10-6 | 1.0 | 1 | 2 | 2 | 2 | 1 | 0 | 27 | 22.0 | |
| Mon, Jun 29vsPIT | L 7-11 | 1.2 | 0 | 0 | 0 | 1 | 4 | 0 | 24 | 91.4 | |
| Sat, Jun 27@NYM | L 2-6 | 1.0 | 0 | 0 | 0 | 1 | 2 | 0 | 16 | 62.9 | |
| Wed, Jun 24@WSH | W 5-4 | W | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 83.7 |
| Mon, Jun 22@WSH | L 1-4 | 1.0 | 3 | 2 | 2 | 0 | 0 | 1 | 17 | 6.8 | |
| Thu, Jun 18vsNYM | L 4-6 | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 | 17 | 86.3 | |
| Mon, Apr 20@CHC | L 1-5 | 1.0 | 1 | 0 | 0 | 1 | 2 | 0 | 32 | 38.0 | |
| Sun, Apr 19vsATL | L 2-4 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 8 | 78.5 | |
| Mon, Apr 13vsCHC | W 13-7 | 1.2 | 4 | 5 | 3 | 2 | 1 | 0 | 50 | 6.4 |
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.