← All season pitcher profiles

Season pitcher profile · 2026

Quinn Mathews

STL · 9 GS · 49.1 IP · 2-4

Season line through September 27, 2026

ERA3.83
WHIP1.38
K46
K %21.8%
BB %9.5%
K-BB %12.3%
HR5

MalliScore

Average outing

44.40–100
MLB median start 44.4Elite starts 0
Last 546.3
Best57.3
Dominance50.1
Run prevention49.6

MalliScore by start

9 qualified starts

Move across the chart for each outing.

Start5-start averageMLB median start
20457008-0109-26

Pitch mix

Usage by outing

FFSLCHCUSI
0%35%70%08-0109-26

Batter handedness

Results by side

vs RHB.298 xwOBA
17.8% K10.5% BB2 HR

152 PA

vs LHB.314 xwOBA
31.7% K6.7% BB3 HR

60 PA

Arsenal

Shape and results by pitch

Season-to-date Statcast

PitchUseVeloSpinH breakV breakCSWChaseWhiffxwOBAHard hit
FF4-Seam Fastball38.8% 33693.42,2425.1"16.3"28.9%24.4%23.4%.32643.1%
SLSlider22.6% 19684.82,343-3.5"1.3"27.6%28.4%26.0%.29739.5%
CHChangeup15.8% 13783.01,34511.1"4.4"27.0%31.9%43.1%.26120.0%
CUCurveball13.4% 11675.82,442-9.9"-12.1"28.4%24.1%20.9%.26423.1%
SISinker9.5% 8292.82,23710.9"12.5"28.0%14.3%14.7%.34550.0%

Velocity

FF by outing

FF season average 93.4 mph

91.595.508-0109-26

Recent starts

Game log

Most recent 12

DateOppIPERKBBMalli
Sep 26MIL5.037240.1
Sep 20WSH7.033244.8
Sep 14SF6.218257.3
Sep 8SF6.024246.4
Sep 3LAD5.014443.0
Aug 28PIT5.217153.2
Aug 22PHI5.073137.5
Aug 17CIN4.017335.3
Aug 1TOR5.023341.6
Source: MLB Stats API and Statcast pitch data; MalliScore v4. Season line through September 27, 2026. Qualified MalliScore outings require at least 30 pitches. Rates use their standard pitch, swing, chase, plate-appearance, or batted-ball denominator. Methodology · Corrections