BIGLEAGUE

Arizona Diamondbacks · Pitcher · #23

Zac Gallen

Age 316' 2" · 189lbBats R · Throws RDebut 2019From Somerdale

ERA

6.34

W-L

3-9

K

61

WHIP

1.56

WAR

-0.1

FIP

5.30

Awards

6 major honors

All-Star ×5

2017 · 2018 · 2019 · 2023

NL Pitcher of the Month

2022

League Percentile

2026 season · percentile vs 194 starters with 20+ IP
the entire league54starting pitchers194
ERA
8
6.34
WHIP
9
1.56
Strikeouts
27
61
K/9
4
5.60
Wins
25
3
Bottom of leagueAverage (50)Top of league

starting pitchers · by ERA

Top 92%

Zac Gallen's ERA (6.34) ranks below average among 194 starters with 20+ IP. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.

PITCHING

Season · Career
CategoryGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2026 Season196.3439098.061311.56
Career1953.83696101105.111213551.19

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity
Four-Seam37.0%avg 150 km/h
Slider21.6%avg 142 km/h
Knuckle Curve18.6%avg 131 km/h
Changeup17.6%avg 139 km/h
Sinker5.2%avg 149 km/h
Fastball0.1%avg 144 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.320

K/9

5.60

BB/9

2.85

HR/9

1.65

Quality starts

3

Whiff%

19.0%

GAME LOG

Last 10 games · includes team result
DateOppInningsHitsERWalksStrikeoutsTeam
07.07@ SD6.06435L
07.01vs SF5.27614L
06.26@ TB6.24520L
06.20vs MIN4.012922L
06.14@ CIN6.06324W
06.09@ MIA5.19413L
06.03vs LAD5.09421L
05.29@ SEA5.08512L
05.23vs COL5.16326W
05.18vs SF6.04215W

SPLITS

Situational splits (2026)

Home

Opp AVG.301
IP46.2
K31
WHIP1.46

Away

Opp AVG.308
IP51.1
K30
WHIP1.66

vs LHP

Opp AVG.313
IP52.0
K25
WHIP1.58

vs RHP

Opp AVG.295
IP46.0
K36
WHIP1.54

RISP

Opp AVG.365
IP19.2
K14
WHIP2.14

YEAR BY YEAR

Year-by-year · Career trends

ERALower is better

▲ Trending down year over year
ERA by yearFrom 2.81 in 2019 to 6.34 in 2026. Lower is better for this stat.2019 ERA: 2.812.8120192020 ERA: 2.7520202021 ERA: 4.3020212022 ERA: 2.542.5420222023 ERA: 3.4720232024 ERA: 3.6520242025 ERA: 4.8320252026 ERA: 6.346.342026
Show yearly figures
ERA year-by-year details
YearERA
20192.81
20202.75
20214.30
20222.54
20233.47
20243.65
20254.83
20266.34

WHIPLower is better

▲ Trending down year over year
WHIP by yearFrom 1.23 in 2019 to 1.56 in 2026. Lower is better for this stat.2019 WHIP: 1.231.2320192020 WHIP: 1.1120202021 WHIP: 1.2920212022 WHIP: 0.910.9120222023 WHIP: 1.1220232024 WHIP: 1.2620242025 WHIP: 1.2620252026 WHIP: 1.561.562026
Show yearly figures
WHIP year-by-year details
YearWHIP
20191.23
20201.11
20211.29
20220.91
20231.12
20241.26
20251.26
20261.56

Strikeouts

▼ Trending down year over year
Strikeouts by yearFrom 96 in 2019 to 61 in 2026.2019 Strikeouts: 969620192020 Strikeouts: 8220202021 Strikeouts: 13920212022 Strikeouts: 19220222023 Strikeouts: 22022020232024 Strikeouts: 15620242025 Strikeouts: 17520252026 Strikeouts: 61612026
Show yearly figures
Strikeouts year-by-year details
YearStrikeouts
201996
202082
2021139
2022192
2023220
2024156
2025175
202661
YearTeamGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2019MIA72.7213036.143181.18
2019AZ82.8923043.253181.26
2019—152.8136080.096361.23
2020AZ122.7532072.082251.11
2021AZ234.304100121.1139491.29
2022AZ312.541240184.0192470.91
2023AZ343.471790210.0220471.12
2024AZ283.651460148.0156541.26
2025AZ334.8313150192.0175661.26
2026AZ196.3439098.061311.56