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Zac Gallen
#
23
Team
AZ · P
Debut
2019 · 8 MLB seasons

Zac Gallen

Age 30
Contract Value $18,756,739/yr
Size 6' 2" · 189
Throws RHP
Bats Right
From Somerdale, NJ
3-9 W-L
6.34
ERA
1.56
WHIP
5.6
K/9
2.9
BB/9
98.0
Innings
19
Starts
15-day ILZac Gallen is on the injured list since Jul 12, 2026.
Zac Gallen season snapshot
Season stats
ERA
6.34
WHIP
1.56
K/9
5.6
BB/9
2.9
HR/9
1.65
IP
98.0
GS
19
W-L
3-9
◆ Pitcher snapshot

Zac Gallen, a starter for the Arizona Diamondbacks, has worked through a difficult season line despite continuing to take the ball regularly. The R-hander has a 6.34 ERA, 1.56 WHIP and 5.60 K/9 across 98.0 in 19 starts, with a 3-9 record. The workload still points to a pitcher trusted to handle turns, but the overall results have been uneven.

His profile suggests that limiting damage has been the bigger issue than pure control, since the walk rate at 2.85 does not automatically signal wildness on its own. When his command within the zone is sharp, he can still navigate lineups, but mistakes have been punished and the swing-and-miss impact has not consistently covered for contact. That combination can make outings feel fragile when traffic starts to build.

Recent form:

Recent starts
  • 07/076.0 IP · 4 ER · 5 K
  • 07/015.2 IP · 6 ER · 4 K
  • 06/266.2 IP · 5 ER · 0 K
  • 06/204.0 IP · 9 ER · 2 K
  • 06/146.0 IP · 3 ER · 4 K

Zac Gallen has pitched to a down trend lately, and the recent stretch points to a pitcher still searching for cleaner execution from inning to inning. He can remain useful when he gets ahead and avoids predictable sequences, yet the current form adds volatility and raises the risk of another short outing if hard contact shows up early.

For the season, Zac Gallen owns 3 wins and 9 losses, and his outlook depends on whether he can sharpen location and regain more putaway ability.

Zac Gallen ERA trend
Last 6
Earned runs per start
Avg 5.2 ER / start
↓ ERA trending down over recent starts.

Zac Gallen game log

2026 season
DateOpponentIPHERKBBERA
Jul 7San Diego Padres664536.00
Jul 1San Francisco Giants5.2764110.38
Jun 26Tampa Bay Rays6.245027.26
Jun 20Minnesota Twins41292220.25
Jun 14Cincinnati Reds663424.50
Jun 9Miami Marlins5.194317.06
Jun 3Los Angeles Dodgers594127.20
May 29Seattle Mariners585219.00
May 23Colorado Rockies5.163625.29
May 18San Francisco Giants642513.00
May 12Texas Rangers4.264428.57
May 7Pittsburgh Pirates664526.00
May 1Chicago Cubs3.2763316.88
Apr 25San Diego Padres310300.00
Apr 18Toronto Blue Jays5.292303.46
Apr 12Philadelphia Phillies583215.40
Apr 7New York Mets551541.80
Apr 1Detroit Tigers640200.00
Mar 26Los Angeles Dodgers454229.00

Zac Gallen season splits

Home / away / vs L-R · 2026
Home ERA
ERA5.79
Away ERA
ERA6.95
vs Left AVG
AVG0.318
vs Right AVG
AVG0.294
Zac Gallen monthly splits
ERA · IP · K · BB · WHIP per month
MonthGSERAIPKBBWHIP
Mar19.004.0221.75
Apr52.1924.21551.30
May67.0430.225111.57
Jun58.3327.01091.81
Jul27.7111.2941.46
Pitch arsenal
Usage and average velocity · 2026
FFFour-seam FB
37.0%92.9 mph
SLSlider
21.6%88.2 mph
KCKnuckle Curve
18.6%81.4 mph
CHChangeup
17.6%86.3 mph
SISinker
5.2%92.8 mph
FAFastball
0.1%89.4 mph

Performance vs teams

2026 starts · sorted by ERA

Hot / Cold zones

Opponent results by strike zone area

AVG by zone

  • Zone 01: .733
  • Zone 02: .500
  • Zone 03: .217
  • Zone 04: .167
  • Zone 05: .400
  • Zone 06: .281
  • Zone 07: .286
  • Zone 08: .396
  • Zone 09: .400
  • Zone 11: .200
  • Zone 12: .375
  • Zone 13: .193
  • Zone 14: .176

OPS by zone

  • Zone 01: 1.941
  • Zone 02: 1.438
  • Zone 03: .542
  • Zone 04: .524
  • Zone 05: 1.125
  • Zone 06: .813
  • Zone 07: .814
  • Zone 08: 1.000
  • Zone 09: .867
  • Zone 11: .500
  • Zone 12: 1.000
  • Zone 13: .556
  • Zone 14: .533

SLG by zone

  • Zone 01: 1.400
  • Zone 02: .938
  • Zone 03: .304
  • Zone 04: .357
  • Zone 05: .725
  • Zone 06: .531
  • Zone 07: .548
  • Zone 08: .604
  • Zone 09: .467
  • Zone 11: .200
  • Zone 12: .750
  • Zone 13: .246
  • Zone 14: .206

OBP by zone

  • Zone 01: .706
  • Zone 02: .500
  • Zone 03: .250
  • Zone 04: .167
  • Zone 05: .400
  • Zone 06: .281
  • Zone 07: .279
  • Zone 08: .396
  • Zone 09: .400
  • Zone 11: .357
  • Zone 12: .500
  • Zone 13: .361
  • Zone 14: .378

numberOfStrikes by zone

  • Zone 01: 27.00
  • Zone 02: 24.00
  • Zone 03: 33.00
  • Zone 04: 49.00
  • Zone 05: 64.00
  • Zone 06: 59.00
  • Zone 07: 55.00
  • Zone 08: 82.00
  • Zone 09: 61.00
  • Zone 11: 32.00
  • Zone 12: 15.00
  • Zone 13: 100.00
  • Zone 14: 93.00

numberOfPitches by zone

  • Zone 01: 46.00
  • Zone 02: 42.00
  • Zone 03: 56.00
  • Zone 04: 90.00
  • Zone 05: 101.00
  • Zone 06: 90.00
  • Zone 07: 91.00
  • Zone 08: 126.00
  • Zone 09: 90.00
  • Zone 11: 120.00
  • Zone 12: 88.00
  • Zone 13: 328.00
  • Zone 14: 369.00

earnedRunAverage by zone

  • Zone 01: -
  • Zone 02: -
  • Zone 03: -
  • Zone 04: -
  • Zone 05: -
  • Zone 06: -
  • Zone 07: -
  • Zone 08: -
  • Zone 09: -
  • Zone 11: -
  • Zone 12: -
  • Zone 13: -
  • Zone 14: -
0.4000.3000.200
.193.200.375.176.733.500.217.167.400.281.286.396.400
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