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ARI
mlbARI

Zac Gallen

Starting pitcher · ARI · 2026: 20 GS (22 G) · 105.1 IP · 5.5 K/9 · 3.0 BB/9

6.32
ERA
1.56
WHIP
64
K
105.1
IP

Recent form

Last 15 games

Strikeouts per outing, oldest → newest. Dashed line = his 2026 average (2.9).

Season calendar

22 games · strikeouts vs his average
Mar
Apr
May
Jun
Jul
Sep
BelowAbove their averageBest: 05/23 · 5.1 IP, 6 K, 3 ER vs COL

Splits

Arrows = last 10 vs season
ERAWHIPK/9IP/g
Season22 G6.321.565.54.8
Last 1010 G7.241.654.34.6
Home10 G5.621.456.05.0
Away12 G6.951.655.04.6
SD6 G4.391.358.84.4

Vs opponent uses every 2025 and 2026 outing in our logs.

Where they rank

vs MLB starters, 2026, 3+ outings of 4+ IP avg
Strikeouts / 9
5.5
3
Walks / 9
3.0
54
ERA
6.32
6
WHIP
1.56
8
Innings / outing
4.8
32

Percentile, 0–100. Green = top fifth of the pool, red = bottom third.

Most similar

Same stats, closest profile
ARIZack Littell5.21 ERA · 5.3 K/9OAKJeffrey Springs6.18 ERA · 7.1 K/9COLRyan Feltner5.70 ERA · 6.6 K/9

Game log

25 of 55
09/25 · relief@ SD
1.0 IP0K
09/18vs NYY
3.0 IP · 2 H · 1 ER · 2 BB2K
09/09@ KC
3.1 IP · 4 H · 1 ER · 2 BB1K
07/07@ SD
6.0 IP · 6 H · 4 ER · 3 BB5K
07/01vs SF
5.2 IP · 7 H · 6 ER · 1 BB4K
06/26@ TB
6.2 IP · 4 H · 5 ER · 2 BB0K
06/20vs MIN
4.0 IP · 12 H · 9 ER · 2 BB2K
06/14@ CIN
6.0 IP · 6 H · 3 ER · 2 BB4K
06/09@ MIA
5.1 IP · 9 H · 4 ER · 1 BB3K
06/03vs LAD
5.0 IP · 9 H · 4 ER · 2 BB1K
05/29@ SEA
5.0 IP · 8 H · 5 ER · 1 BB2K
05/23vs COL
5.1 IP · 6 H · 3 ER · 2 BB6K
05/18vs SF
6.0 IP · 4 H · 2 ER · 1 BB5K
05/12@ TEX
4.2 IP · 7 H · 7 ER · 2 BB4K
05/07vs PIT
6.0 IP · 6 H · 4 ER · 2 BB5K
05/01@ CHC
3.2 IP · 7 H · 6 ER · 3 BB3K
04/25 · reliefvs SD
3.0 IP · 1 H3K
04/18vs TOR
5.2 IP · 9 H · 2 ER3K
04/12@ PHI
5.0 IP · 8 H · 3 ER · 1 BB2K
04/07@ NYM
5.0 IP · 5 H · 1 ER · 4 BB5K
04/01vs DET
6.0 IP · 4 H2K
03/26@ LAD
4.0 IP · 5 H · 4 ER · 2 BB2K
09/26@ SD
4.1 IP · 7 H · 5 ER · 3 BB3K
09/20vs PHI
7.0 IP · 4 H · 3 ER · 2 BB9K
09/15vs SF
6.0 IP · 2 H · 1 ER · 1 BB6K
DateOppKIPHERBBPIT
09/25 · relief@SD01.00007
09/18NYY23.021268
09/09@KC13.141268
07/07@SD56.064396
07/01SF45.276195
06/26@TB06.245286
06/20MIN24.0129281
06/14@CIN46.063285
06/09@MIA35.194194
06/03LAD15.094290
05/29@SEA25.085184
05/23COL65.163282
05/18SF56.042181
05/12@TEX44.277295
05/07PIT56.0642100
05/01@CHC33.276395
04/25 · reliefSD33.010049
04/18TOR35.292088
04/12@PHI25.083184
04/07@NYM55.051495
04/01DET26.040088
03/26@LAD24.054276
09/26@SD34.1753103
09/20PHI97.0432103
09/15SF66.021196

GS counts outings of 4+ IP or 50+ pitches — our logs don't flag starts.