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 honorsAll-Star ×5
2017 · 2018 · 2019 · 2023
NL Pitcher of the Month
2022
League Percentile
2026 season · percentile vs 54 qualified pitchersERA
0
6.34WHIP
0
1.56Strikeouts
0
61K/9
2
5.60Wins
0
3Bottom of leagueAverage (50)Top of league
⚠ Below the qualified innings threshold. Percentiles are for reference only.
the entire league · by ERA
Top 100%
Zac Gallen's ERA (6.34) ranks below average among 54 qualified pitchers. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.
PITCHING
Season · Career| Category | Games | ERA | Wins | Losses | Saves | Innings | Strikeouts | Walks | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| 2026 Season | 19 | 6.34 | 3 | 9 | 0 | 98.0 | 61 | 31 | 1.56 |
| Career | 195 | 3.83 | 69 | 61 | 0 | 1105.1 | 1121 | 355 | 1.19 |
Hover over a stat for its definition.
ARSENAL
Pitch arsenal · 2026 usage and average velocityFour-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 seasonBABIP
.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| Date | Opp | Innings | Hits | ER | Walks | Strikeouts | Team |
|---|---|---|---|---|---|---|---|
| 07.07 | @ SD | 6.0 | 6 | 4 | 3 | 5 | L |
| 07.01 | vs SF | 5.2 | 7 | 6 | 1 | 4 | L |
| 06.26 | @ TB | 6.2 | 4 | 5 | 2 | 0 | L |
| 06.20 | vs MIN | 4.0 | 12 | 9 | 2 | 2 | L |
| 06.14 | @ CIN | 6.0 | 6 | 3 | 2 | 4 | W |
| 06.09 | @ MIA | 5.1 | 9 | 4 | 1 | 3 | L |
| 06.03 | vs LAD | 5.0 | 9 | 4 | 2 | 1 | L |
| 05.29 | @ SEA | 5.0 | 8 | 5 | 1 | 2 | L |
| 05.23 | vs COL | 5.1 | 6 | 3 | 2 | 6 | W |
| 05.18 | vs SF | 6.0 | 4 | 2 | 1 | 5 | W |
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 trendsERALower is better
▲ Trending down year over yearShow yearly figures
| Year | ERA |
|---|---|
| 2019 | 2.81 |
| 2020 | 2.75 |
| 2021 | 4.30 |
| 2022 | 2.54 |
| 2023 | 3.47 |
| 2024 | 3.65 |
| 2025 | 4.83 |
| 2026 | 6.34 |
WHIPLower is better
▲ Trending down year over yearShow yearly figures
| Year | WHIP |
|---|---|
| 2019 | 1.23 |
| 2020 | 1.11 |
| 2021 | 1.29 |
| 2022 | 0.91 |
| 2023 | 1.12 |
| 2024 | 1.26 |
| 2025 | 1.26 |
| 2026 | 1.56 |
Strikeouts
▼ Trending down year over yearShow yearly figures
| Year | Strikeouts |
|---|---|
| 2019 | 96 |
| 2020 | 82 |
| 2021 | 139 |
| 2022 | 192 |
| 2023 | 220 |
| 2024 | 156 |
| 2025 | 175 |
| 2026 | 61 |
| Year | Team | Games | ERA | Wins | Losses | Saves | Innings | Strikeouts | Walks | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | MIA | 7 | 2.72 | 1 | 3 | 0 | 36.1 | 43 | 18 | 1.18 |
| 2019 | AZ | 8 | 2.89 | 2 | 3 | 0 | 43.2 | 53 | 18 | 1.26 |
| 2019 | — | 15 | 2.81 | 3 | 6 | 0 | 80.0 | 96 | 36 | 1.23 |
| 2020 | AZ | 12 | 2.75 | 3 | 2 | 0 | 72.0 | 82 | 25 | 1.11 |
| 2021 | AZ | 23 | 4.30 | 4 | 10 | 0 | 121.1 | 139 | 49 | 1.29 |
| 2022 | AZ | 31 | 2.54 | 12 | 4 | 0 | 184.0 | 192 | 47 | 0.91 |
| 2023 | AZ | 34 | 3.47 | 17 | 9 | 0 | 210.0 | 220 | 47 | 1.12 |
| 2024 | AZ | 28 | 3.65 | 14 | 6 | 0 | 148.0 | 156 | 54 | 1.26 |
| 2025 | AZ | 33 | 4.83 | 13 | 15 | 0 | 192.0 | 175 | 66 | 1.26 |
| 2026 | AZ | 19 | 6.34 | 3 | 9 | 0 | 98.0 | 61 | 31 | 1.56 |
