Zac Gallen
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021-04-13 | ARI | vs. OAK | L, 7-5 | 4.0 | 3 | 1 | 1 | 2 | 8 | 18 | 0 | 0 | 1 | 2 | 2 | SP |
| 2021-04-20 | ARI | @ CIN | W, 5-4 | 5.2 | 4 | 3 | 3 | 4 | 6 | 25 | 1 | 0 | 0 | 5 | 6 | SP |
| 2021-04-25 | ARI | @ ATL | W, 5-0 | 7.0 | 1 | 0 | 0 | 2 | 6 | 24 | 0 | 0 | 0 | 5 | 9 | SP, W, CG, SHO |
| 2021-05-01 | ARI | vs. COL | L, 14-6 | 4.0 | 6 | 4 | 4 | 2 | 7 | 22 | 3 | 0 | 0 | 4 | 1 | SP, L |
| 2021-05-07 | ARI | @ NYM | L, 5-4 | 6.0 | 4 | 2 | 1 | 4 | 5 | 26 | 0 | 0 | 0 | 6 | 7 | SP |
| 2021-06-17 | ARI | @ SFG | L, 10-3 | 2.2 | 4 | 4 | 4 | 1 | 3 | 14 | 1 | 1 | 1 | 3 | 2 | SP, L |
| 2021-06-22 | ARI | vs. MIL | L, 5-0 | 5.0 | 3 | 1 | 1 | 0 | 8 | 18 | 0 | 0 | 1 | 4 | 3 | SP, L |
| 2021-06-27 | ARI | @ SDP | L, 5-4 | 4.2 | 6 | 2 | 2 | 3 | 3 | 22 | 2 | 0 | 1 | 6 | 4 | SP |
| 2021-07-02 | ARI | vs. SFG | L, 11-4 | 2.0 | 5 | 3 | 3 | 3 | 3 | 14 | 0 | 0 | 1 | 1 | 1 | SP, L |
| 2021-07-17 | ARI | vs. CHC | L, 4-2 | 5.2 | 3 | 1 | 1 | 2 | 7 | 22 | 1 | 0 | 0 | 6 | 2 | SP |
| 2021-07-23 | ARI | @ CHC | L, 8-3 | 4.0 | 6 | 7 | 7 | 3 | 5 | 21 | 0 | 0 | 2 | 2 | 2 | SP, L |
| 2021-07-30 | ARI | vs. LAD | W, 6-5 | 6.0 | 5 | 2 | 2 | 1 | 8 | 25 | 0 | 0 | 1 | 3 | 7 | SP |
| 2021-08-04 | ARI | vs. SFG | L, 7-1 | 5.2 | 4 | 3 | 3 | 3 | 6 | 24 | 0 | 0 | 1 | 3 | 8 | SP, L |
| 2021-08-10 | ARI | @ SFG | L, 8-7 | 6.0 | 7 | 5 | 5 | 1 | 7 | 26 | 3 | 0 | 1 | 4 | 7 | SP |
| 2021-08-15 | ARI | vs. SDP | L, 8-2 | 5.0 | 8 | 4 | 4 | 3 | 5 | 25 | 3 | 0 | 3 | 5 | 4 | SP, L |
| 2021-08-21 | ARI | @ COL | L, 5-2 | 7.0 | 3 | 0 | 0 | 1 | 9 | 24 | 0 | 0 | 0 | 5 | 5 | SP |
| 2021-08-26 | ARI | @ PHI | W, 8-7 | 5.0 | 3 | 2 | 0 | 2 | 6 | 21 | 1 | 1 | 1 | 3 | 6 | SP, W |
| 2021-08-31 | ARI | vs. SDP | L, 3-0 | 6.0 | 5 | 3 | 3 | 4 | 4 | 26 | 1 | 0 | 1 | 5 | 7 | SP, L |
| 2021-09-07 | ARI | vs. TEX | L, 3-1 | 6.2 | 6 | 3 | 3 | 0 | 8 | 28 | 1 | 0 | 0 | 6 | 6 | SP, L |
| 2021-09-13 | ARI | @ LAD | L, 5-1 | 5.1 | 8 | 4 | 4 | 3 | 4 | 26 | 3 | 0 | 0 | 4 | 6 | SP, L |
| 2021-09-19 | ARI | @ HOU | L, 7-6 | 6.0 | 5 | 4 | 4 | 1 | 7 | 24 | 2 | 0 | 1 | 5 | 5 | SP |
| 2021-09-25 | ARI | vs. LAD | W, 7-2 | 6.0 | 3 | 1 | 1 | 2 | 8 | 23 | 0 | 0 | 1 | 4 | 6 | SP, W |
| 2021-10-02 | ARI | vs. COL | W, 11-2 | 6.0 | 6 | 2 | 2 | 2 | 6 | 25 | 0 | 0 | 2 | 4 | 6 | SP, W |
| Total Games: 23 | ||||||||||||||||