Armside

Mark Leiter

ATH · RHP · RP · Age 35

Season
2026
G/GS
36/0
IP
33.2
BF
144
xwOBA
.316
K%
26.4%
BB%
7.6%
CSW%
31.9%
Whiff%
30.3%
Barrel%
3.3%
FB Velo
92.2

Below the qualifying minimum; percentiles rank qualified players only.

Percentile profile, 2026 regular season.

Mark LeiterPercentile profile · 2026 regular seasonAmong qualified pitchers · red is better, blue is worsexwOBA44.316xBA14.269xSLG67.365Avg EV9186.8HardHit%9331.9%Barrel%983.3%K%7726.4%BB%637.6%Whiff%8430.3%Chase%8233.8%Armside · Data: MLB Advanced Media / Baseball Savant

Arsenal, 2026

Pitchⓘ#ⓘUsageⓘVeloⓘSpinⓘIVBⓘHBⓘWhiff%ⓘCSW%ⓘxwOBAⓘRVⓘRV/100ⓘ
Split-Finger FS18132.8%84.37412.9-5.245.7%28.7%.20321.0
Sinker SI14426.1%92.1201611.5-14.713.3%35.4%.33064.1
Curveball CU10619.2%73.92316-16.310.134.9%37.7%.34200.0
4-Seam Fastball FF6411.6%92.2196816.3-7.47.7%18.8%.388-1-1.4
Cutter FC519.3%89.621209.01.225.0%39.2%.484-2-3.1

Pitch types with 25+ pitches; knuckle curves and slow curves shown as curveballs. Grey rates: under 405 pitches of the type (Savant’s qualifying line, 2.5 per team game).

Season by season

SeasonⓘTeamⓘAgeⓘGⓘGSⓘIPⓘBFⓘK%ⓘBB%ⓘK−BB%ⓘCSW%ⓘxwOBAⓘFB Veloⓘ
2017PHI26271190.239521.3%7.8%13.4%28.0%.33890.9
2018TOR2720023.112317.9%9.8%8.1%26.9%.37591.3
2022CHC3135467.228225.9%8.9%17.0%31.1%.31191.0
2023CHC3269064.126928.6%8.9%19.7%30.5%.31291.3
2024NYY3360058.025633.6%8.6%25.0%33.8%.29191.5
2025NYY3459048.121924.7%7.8%16.9%30.4%.30193.7
2026ATH3536033.214426.4%7.6%18.8%31.9%.31692.2
Career——30615386.0168825.7%8.4%17.3%30.4%.31891.5