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Zac Gallen
MLB
About Zac Gallen
Zachary Peter Gallen (born August 3, 1995) is an American professional baseball pitcher for the Arizona Diamondbacks of Major League Baseball (MLB). He has previously played in MLB for the Miami Marlins. He played college baseball for the North Carolina Tar Heels for three seasons before being drafted by the St. Louis Cardinals in the third round of the 2016 MLB draft. Gallen was traded to the Miami Marlins in 2017 and made his MLB debut with the team in 2019. He was traded to the Diamondbacks midway through the 2019 season.
Bio summary from Wikipedia.
Player Stats
| W | 3 | L | 9 | ERA | 6.07 | G | 22 |
|---|---|---|---|---|---|---|---|
| GS | 20 | SV | 0 | IP | 105.1 | H | 128 |
| R | 78 | ER | 71 | BB | 35 | SO | 64 |
| WHIP | 1.547 | H/9 | 10.9 | HR/9 | 1.6 | BB/9 | 3.0 |
| K/9 | 5.5 | FIP | 5.34 | WAR | -1.7 |
2026 pitching — Baseball-Reference
Career — Lahman, through 2025
Batting
| Year | Team | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | MIA | 7 | 10 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | .100 |
| 2019 | ARI | 8 | 9 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | .111 |
| 2021 | ARI | 23 | 32 | 2 | 6 | 2 | 0 | 0 | 3 | 0 | 1 | 18 | .188 |
Pitching
| Year | Team | W | L | ERA | G | GS | CG | SHO | SV | IP | H | HR | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | MIA | 1 | 3 | 2.72 | 7 | 7 | 0 | 0 | 0 | 36.1 | 25 | 3 | 18 | 43 |
| 2019 | ARI | 2 | 3 | 2.89 | 8 | 8 | 0 | 0 | 0 | 43.2 | 37 | 5 | 18 | 53 |
| 2020 | ARI | 3 | 2 | 2.75 | 12 | 12 | 0 | 0 | 0 | 72.0 | 55 | 9 | 25 | 82 |
| 2021 | ARI | 4 | 10 | 4.30 | 23 | 23 | 1 | 1 | 0 | 121.1 | 108 | 19 | 49 | 139 |
| 2022 | ARI | 12 | 4 | 2.54 | 31 | 31 | 0 | 0 | 0 | 184.0 | 121 | 15 | 47 | 192 |
| 2023 | ARI | 17 | 9 | 3.47 | 34 | 34 | 1 | 1 | 0 | 210.0 | 188 | 22 | 47 | 220 |
| 2024 | ARI | 14 | 6 | 3.65 | 28 | 28 | 0 | 0 | 0 | 148.0 | 133 | 13 | 54 | 156 |
| 2025 | ARI | 13 | 15 | 4.83 | 33 | 33 | 0 | 0 | 0 | 192.0 | 176 | 31 | 66 | 175 |
Season lines from the Lahman Baseball Database (Version 2025, via SABR), joined through the Chadwick Register ID crosswalk. The databank runs through the 2025 season — the current season is the 2026 line below, from the MLB Stats API.
2026 Season — MLB Stats API
Pitching
| W | L | ERA | G | GS | CG | SHO | SV | IP | H | R | ER | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 9 | 6.07 | 22 | 20 | 0 | 0 | 0 | 105.1 | 128 | 78 | 71 | 19 | 35 | 64 | 1.55 |
2026 regular-season line from the MLB Stats API (statsapi.mlb.com), pulled when this page was built. Multi-team stints are combined; rate stats are recomputed from the combined totals.
Watch Zac Gallen Highlights
“Zac Gallen 2026 MLB Highlights!” · Open on YouTube · More Zac Gallen videos