DataBaseball
2026
Quinn Mathews headshot

Pitcher · 2026

Quinn Mathews

Age
26
B/T
L/L
Height
6' 5"
Weight
188 lb
Number
#60
Born
October 4, 2000 in Mission Viejo, CA, USA
MLB debut
August 1, 2026
Drafted
2022, round 19
College
Stanford
High school
Aliso Niguel
dbWAR
.1
1 season(s)
IP
5.0
ERA
3.60
FIP
3.69
K/9
5.4
FIP−
88
100 = avg

Quinn Mathews is a starting pitcher for the St. Louis Cardinals. In 2026 he struck out 3 batters over 5.0 innings across 1 appearance, 1 of them starts, going 0-1. His ERA of 3.60 was 13.8% lower than the league average of 4.18. Stripping out defence, his 3.69 FIP suggests the ERA was no fluke. He missed bats on 25.5% of swings (12.4% of every pitch he threw), walked 12.5% of the batters he faced and struck out 12.5%. His 0.1 dbWAR is built from that FIP rather than runs allowed, so it credits him for what he controls and not for the defence behind him.

League context

Percentile among qualified pitchers, 2026.

FIP3.69
K/95.4
WHIP1.80
WAR.1

Platoon splits

How left- and right-handed hitters fare against him.

Opponent batting by the side the hitter bats from, 2026. Counted from play-by-play, so totals can differ from the box-score season line by a plate appearance or two.
SplitPAABHHRBBSOAVGOBPSLGwOBAK%
vs LHB331001.333.333.333.29733.3%
vs RHB21175032.294.381.353.3339.5%

Pitch sequencing

What Quinn Mathews throws in each count, and what he follows each pitch with. Select any cell for the breakdown.

ShowBatter
Four-seamSliderChangeupCurveballSinker

Select a count to see exactly what Quinn Mathews throws in it.

Pitch arsenal

What he throws, how hard, and how often it misses in 2026.

Four-Seam Fastball41.2%4094.32,19752.5%31.3%
Slider23.7%2386.22,27560.9%23.1%
Changeup17.5%1783.41,36217.6%22.2%
Curveball13.4%1376.62,47246.2%12.5%
Quinn Mathews's arsenal by usage. Velocity is average release speed in mph, spin in rpm, and whiff rate is misses per swing — the cleanest single measure of whether a pitch beats hitters.

Pitching

Standard and advanced, by season.

Trend
2026115.001062333.603.691.805.45.486880.1

Head to head

Put Quinn Mathews beside up to three others.

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Quinn Mathews
How these are computed

wOBA uses linear weights measured from this season's own play-by-play rather than published constants, and wRC+ is park-adjusted against that same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page.