← Arizona Diamondbacks
Zac Gallen
Arizona Diamondbacks
SP · #23 · Bats R · Throws R · 6'2" · 189 lb · Age 31 · 8 yrs in MLB
2026 grade
2.2
- Runs prevented
- −15.2
- IP · ERA
- 105.1 · 6.07
- K · BB
- 64 · 35
- 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.
- Strikeouts64 vs 105 avg−11.1
- Home runs allowed19 vs 14 avg−6.5
- Walks34 vs 41 avg+2.2
- Hit batters4 vs 5 avg+0.5
- 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fri, Sep 25@SD | W 11-4 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 72.8 | |
| Fri, Sep 18vsNYY | L 2-9 | 3.0 | 2 | 2 | 1 | 2 | 2 | 0 | 68 | 61.5 | |
| Wed, Sep 9@KC | L 2-5 | GS | 3.1 | 4 | 2 | 1 | 2 | 1 | 1 | 68 | 29.1 |
| Tue, Jul 7@SD | L 1-4 | L | 6.0 | 6 | 4 | 4 | 3 | 5 | 1 | 96 | 35.3 |
| Wed, Jul 1vsSF | L 4-6 | L | 5.2 | 7 | 6 | 6 | 1 | 4 | 2 | 95 | 18.2 |
| Fri, Jun 26@TB | L 1-6 | L | 6.2 | 4 | 5 | 5 | 2 | 0 | 2 | 86 | 52.6 |
| Sat, Jun 20vsMIN | L 8-16 | L | 4.0 | 12 | 9 | 9 | 2 | 2 | 0 | 81 | 2.6 |
| Sun, Jun 14@CIN | W 5-3 | GS | 6.0 | 6 | 3 | 3 | 2 | 4 | 2 | 85 | 19.6 |
| Tue, Jun 9@MIA | L 6-10 | GS | 5.1 | 9 | 4 | 4 | 1 | 3 | 0 | 94 | 26.7 |
| Wed, Jun 3vsLAD | L 0-7 | L | 5.0 | 9 | 5 | 4 | 2 | 1 | 1 | 90 | 12.1 |
| Fri, May 29@SEA | L 6-7 | GS | 5.0 | 8 | 5 | 5 | 1 | 2 | 3 | 84 | 3.3 |
| Sat, May 23vsCOL | W 5-4 | W | 5.1 | 6 | 3 | 3 | 2 | 6 | 0 | 82 | 60.3 |
| Mon, May 18vsSF | W 12-2 | W | 6.0 | 4 | 2 | 2 | 1 | 5 | 1 | 81 | 73.0 |
| Tue, May 12@TEX | L 4-7 | L | 4.2 | 6 | 7 | 4 | 2 | 4 | 2 | 95 | 12.2 |
| Thu, May 7vsPIT | L 2-4 | L | 6.0 | 6 | 4 | 4 | 2 | 5 | 2 | 100 | 34.5 |
| Fri, May 1@CHC | L 5-6 | L | 3.2 | 7 | 6 | 6 | 3 | 3 | 0 | 95 | 15.5 |
| Sat, Apr 25vsSD | L 4-6 | GS | 3.0 | 1 | 0 | 0 | 0 | 3 | 0 | 49 | 83.1 |
| Sat, Apr 18vsTOR | W 6-2 | GS | 5.2 | 9 | 2 | 2 | 0 | 3 | 0 | 88 | 35.2 |
| Sun, Apr 12@PHI | W 4-3 | GS | 5.0 | 8 | 3 | 3 | 1 | 2 | 1 | 84 | 13.0 |
| Tue, Apr 7@NYM | L 3-4 | GS | 5.0 | 5 | 2 | 1 | 4 | 5 | 0 | 95 | 40.9 |
| Wed, Apr 1vsDET | W 1-0 | W | 6.0 | 4 | 0 | 0 | 0 | 2 | 0 | 88 | 80.1 |
| Thu, Mar 26@LAD | L 2-8 | L | 4.0 | 5 | 4 | 4 | 2 | 2 | 1 | 76 | 32.5 |
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.