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ARI · Pitcher

Zac Gallen

Throws R · 2026 player profile

MLB / P
Charts through 2026-09-25 · season stats retrieved 2026-10-13
ERA6.072026 · MLB season
Strikeouts642026 · MLB season
Innings105.12026 · MLB season
WHIP1.552026 · MLB season

Quality of contact allowed

10-game rolling xwOBA

.200.300.400.50010-game xwOBA against
10-game rolling xwOBA against

2026-03-26 — 2026-09-25 · 22 recorded dates. Lower xwOBA means less expected production allowed.

ARI at —

Matchup unavailable

Our picks & reasoning

No upcoming matchup in this schedule snapshot.

OddsIndex analysis

Our picks on Gallen

Saved upcoming picks

No saved upcoming picks for Zac Gallen.

Pick record checked Oct 13, 2026 ET. Local preview uses saved data.

Our past picks

Original reasoning and recorded results.

Showing 17 past picks from 17 linked picks since Jan 1, 2026 ET. Snapshot Oct 13, 2026 ET.

Zac Gallen under 2.5 strikeoutsW

Sep 9, 2026 ET · Odds at publication 1.6500

Read original reasoning

Gallen's 2026 K/9 has dropped to 5.61 (61 K in 98 IP) — a stark decline from his prior form. Last 3 starts: 5 K (Jul 7), 4 K (Jul 1), 0 K (Jun 26). That 0-K outing is the most recent data point and he's now returning from 64 days of extended rest, introducing rust as a real variable. KC vs RHP is 51-53 — not a high-strikeout lineup — and Gallen's ERA of 6.34 signals he's pitching to contact, not dominating batters. Under 2.5 aligns with his trajectory.

Zac Gallen under 3.5 strikeoutsL

Jul 7, 2026 ET · Odds at publication 2.0400

Read original reasoning

Gallen has 56 K in 92.0 IP in 2026 (5.48 K/9). Last 3 starts: 4 K, 0 K, 2 K — averaging exactly 2.0 Ks. His stuff is clearly diminished from his 2024 peak (9.49 K/9). Two of his last three outings came in under the 3.5 line. Under at +104 gives positive expected value given his recent whiff rate collapse.

Market unavailableL

Jul 1, 2026 ET · Odds at publication 2.1200

Read original reasoning

Gallen's 2026 K rate has collapsed — 52 K in 86.1 IP equals 5.42 K/9, down sharply from prior seasons. Last 3 starts produced 0 K (6.2 IP), 2 K (4.0 IP), and 4 K (6.0 IP) — an average of 2.0 Ks per outing. Even the one start he hit 4 Ks, he needed 6 full innings. SF batters making contact at .254 AVG. Under 3.5 at +112 is genuine value against a pitcher who has averaged 2.0 Ks over his last three starts.

Market lines · saved snapshot

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Inside the repertoire

What he throws, how it moves, and when he uses it.

The arsenal

PitchUsageVeloWhiff%xwOBAEVHMovVMovSpin
4-Seam FastballFF
35%
93.46.4%0.43992.5-3.216.52310
SliderSL
23%
88.928.6%0.37289.84.54.62352
CurveballCU
19%
81.623.4%0.36089.44.0-9.92431
ChangeupCH
17%
86.626.8%0.27887.8-12.64.31541
SinkerSI
6%
92.77.8%0.49090.7-11.013.32177

Contact allowed by location

90.518 BIP94.121 BIP83.521 BIP93.645 BIP96.842 BIP92.932 BIP86.936 BIP93.943 BIP91.425 BIP80.1High88.4Away85.8Low83.9InsideCatcher's perspective
80.1mph
96.8mphExit velocity

Heatmap · exit velocity in mph · catcher’s view. Choose a pitch type above to filter measured contact.

Data detail

Season & career

Updated 2026-10-13. Seasons are split by team. Innings use baseball notation: .1 is one out, .2 is two outs.

Season / teamGGSIPKBBERAWHIP
2026 · Arizona Diamondbacks2220105.164356.071.55
2025 · Arizona Diamondbacks3333192.0175664.831.26
2024 · Arizona Diamondbacks2828148.0156543.651.26
2023 · Arizona Diamondbacks3434210.0220473.471.12
2022 · Arizona Diamondbacks3131184.0192472.540.91
2021 · Arizona Diamondbacks2323121.1139494.301.29
2020 · Arizona Diamondbacks121272.082252.751.11
2019 · 151580.096362.811.23
2019 · Arizona Diamondbacks8843.253182.891.26
2019 · Miami Marlins7736.143182.721.18
Career1981961112.211243593.821.20
Recorded game dates 22 dates

Existing chart-builder observations, grouped by date. Not an official box-score game log; missing values stay blank.

DatePA*xwOBABAEV (mph)Barrel fraction
2026-09-2530.2060.00094.50.000
2026-09-18140.2370.16787.30.000
2026-09-09150.5630.30892.10.167
2026-07-07260.4560.26193.50.167
2026-07-01240.4110.30492.10.158
2026-06-26260.5500.16092.80.208
2026-06-20260.3670.50082.90.045
2026-06-14230.3840.27389.00.111
2026-06-09260.3680.37594.50.045
2026-06-03250.4300.39188.10.045

*PA is the count of appearances with a positive wOBA denominator.

How to read these numbers
Walk rate

Sample: 472 pa

Compared with 2026 pitchers with a recorded value and at least 50 batters faced.

Barrel rate allowed

Sample: 369 bip

Compared with 2026 pitchers with a recorded value and at least 30 batted balls.

Exit velocity allowed

Sample: 354 bip

Compared with 2026 pitchers with a recorded value and at least 30 batted balls.

BABIP allowed

Sample: 350 bip

Compared with 2026 pitchers with a recorded value and at least 50 batters faced.