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Zac Gallen
Zac Gallen
Arizona Diamondbacks • Pitcher
Age 31 • 6' 2" • 189 lb
Bats: R • Throws: R
MLB Debut: 2019-06-20
Born: Somerdale , NJ • USA
Draft: 2016
2026 Stats
W
3
L
9
ERA
6.07
WHIP
1.55
IP
105.1
SO
64
SV
0
HLD
0
G
22
GS
20
Career Stats
W
69
L
61
ERA
3.82
WHIP
1.20
IP
1112.2
SO
1124
SV
0
HLD
0
G
198
GS
196
Year-by-Year Pitching
Year Team GGSIP WLSVSO ERAWHIPAwards
2019 Total 15 15 80.0 3 6 — 96 2.81 1.23
2020 AZ 12 12 72.0 3 2 — 82 2.75 1.11
2021 AZ 23 23 121.1 4 10 — 139 4.30 1.29
2022 AZ 31 31 184.0 12 4 — 192 2.54 0.91
2023 AZ 34 34 210.0 17 9 — 220 3.47 1.12 AS
2024 AZ 28 28 148.0 14 6 — 156 3.65 1.26
2025 AZ 33 33 192.0 13 15 — 175 4.83 1.26
2026 AZ 22 20 105.1 3 9 — 64 6.07 1.55
Spring Training
Pitching
YearTeamGGSIPWLSVSOERAWHIP
2018 MIA 324.1 —2—3 37.385.31
2019 MIA 419.0 —1—12 3.000.89
2020 AZ 338.0 —1—7 5.631.13
2021 AZ 4412.2 —1—11 2.131.26
2022 AZ 226.1 ———4 1.420.95
2023 AZ 4416.1 12—10 8.271.90
2024 AZ 4413.0 12—9 5.541.77
2025 AZ 449.1 2——10 2.891.39
2026 AZ 4410.2 ———6 7.591.78
Postseason
Pitching
YearTeamGGSIPWLSVSOERAWHIP
2023 AZ 6633.2 23—24 4.541.34
Game Logs
Season selector loads one year at a time.
Pitching
Date Opponent IP H R ER BB SO HR
2026-09-25 @ SD 1.0 0 0 0 0 0 0
2026-09-18 vs NYY 3.0 2 2 1 2 2 0
2026-09-09 @ KC 3.1 4 2 1 2 1 1
2026-07-07 @ SD 6.0 6 4 4 3 5 1
2026-07-01 vs SF 5.2 7 6 6 1 4 2
2026-06-26 @ TB 6.2 4 5 5 2 0 2
2026-06-20 vs MIN 4.0 12 9 9 2 2 0
2026-06-14 @ CIN 6.0 6 3 3 2 4 2
2026-06-09 @ MIA 5.1 9 4 4 1 3 0
2026-06-03 vs LAD 5.0 9 5 4 2 1 1
2026-05-29 @ SEA 5.0 8 5 5 1 2 3
2026-05-23 vs COL 5.1 6 3 3 2 6 0
2026-05-18 vs SF 6.0 4 2 2 1 5 1
2026-05-12 @ TEX 4.2 6 7 4 2 4 2
2026-05-07 vs PIT 6.0 6 4 4 2 5 2
2026-05-01 @ CHC 3.2 7 6 6 3 3 0
2026-04-25 vs SD 3.0 1 0 0 0 3 0
2026-04-18 vs TOR 5.2 9 2 2 0 3 0
2026-04-12 @ PHI 5.0 8 3 3 1 2 1
2026-04-07 @ NYM 5.0 5 2 1 4 5 0
2026-04-01 vs DET 6.0 4 0 0 0 2 0
2026-03-26 @ LAD 4.0 5 4 4 2 2 1
Transactions
Entire history • newest first.
2026-09-09
Arizona Diamondbacks activated RHP Zac Gallen from the 60-day injured list.
2026-08-30
Arizona Diamondbacks sent RHP Zac Gallen on a rehab assignment to Reno Aces.
2026-08-30
Arizona Diamondbacks sent RHP Zac Gallen on a rehab assignment to Reno Aces.
2026-08-03
Arizona Diamondbacks transferred RHP Zac Gallen from the 15-day injured list to the 60-day injured list. Right elbow inflammation.
2026-07-12
Arizona Diamondbacks placed RHP Zac Gallen on the 15-day injured list retroactive to July 9, 2026. Right elbow inflammation.
2026-04-16
RHP Zac Gallen changed number to 23.
2026-04-15
RHP Zac Gallen changed number to 42.
2026-02-15
RHP Zac Gallen assigned to Arizona Diamondbacks.
2025-11-02
RHP Zac Gallen elected free agency.
2025-04-16
RHP Zac Gallen changed number to 23.
2025-04-15
RHP Zac Gallen changed number to 42.
2024-06-29
Arizona Diamondbacks activated RHP Zac Gallen from the 15-day injured list.
2024-05-31
Arizona Diamondbacks placed RHP Zac Gallen on the 15-day injured list. Right hamstring strain.
2023-07-10
RHP Zac Gallen assigned to National League All-Stars.
2021-07-17
Arizona Diamondbacks activated RHP Zac Gallen from the 10-day injured list.
2021-07-03
Arizona Diamondbacks placed RHP Zac Gallen on the 10-day injured list. Right hamstring strain.
2021-06-17
Arizona Diamondbacks activated RHP Zac Gallen from the 10-day injured list.
2021-05-12
Arizona Diamondbacks placed RHP Zac Gallen on the 10-day injured list. Right elbow sprain.
2021-04-13
Arizona Diamondbacks activated P Zac Gallen from the 10 day injured list.
2021-04-13
Arizona Diamondbacks activated P Zac Gallen from the 10 day injured list.
2021-04-13
Arizona Diamondbacks activated P Zac Gallen from the 10 day injured list.
2021-04-01
Arizona Diamondbacks placed P Zac Gallen on the 10 day disabled list.
2020-01-03
Zac Gallen changed number to 23.
2019-08-03
Arizona Diamondbacks activated RHP Zac Gallen.
2019-07-31
Miami Marlins traded RHP Zac Gallen to Arizona Diamondbacks.
2019-06-20
Miami Marlins selected the contract of RHP Zac Gallen from New Orleans Baby Cakes.
2019-01-22
Miami Marlins invited non-roster RHP Zac Gallen to spring training.
2018-02-08
Miami Marlins invited non-roster RHP Zac Gallen to spring training.
2017-12-14
Miami Marlins traded LF Marcell Ozuna to St. Louis Cardinals for LHP Daniel Castano, RF Magneuris Sierra, RHP Sandy Alcantara and RHP Zac Gallen.
2016-06-23
St. Louis Cardinals signed RHP Zac Gallen.
Scouting Report
Statcast-style percentiles • Basenerd theme
Season 2026
Ready
Basic Line
Season / Game
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Pitch Arsenal
Usage • Velo • Break • Spin • xwOBA
Pitch N Use% Velo HB IVB Spin xwOBA Whiff% Zone% Chase% BNStuff+ BNCtrl+
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Notes
Primary pitch summary
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Movement Profile (Induced Break)
Pitcher's View: HB vs Rise / Drop (in)
Circles: 12/18/24 in • Dots = pitch types (size ~ pitch count)
Pitch Location Heatmaps
KDE-style blur • fixed zone • catcher POV
vs. LHH
vs. RHH
Zone: left -0.7083 / right 0.7083 • bot 1.595 / top 3.394 • Domain: X [-2,2], Z [0,5]
Statcast Game Log
Per-game pitch metrics from Statcast
Date Pitches Velo BNStuff+ BNCtrl+ Whiff% Zone% Chase% K% BB% xwOBA
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