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Cooper Criswell

Pitcher · Seattle Mariners. 2026 season stats with ranks among qualified players.

Pitching, 2026

Cooper Criswell posted a 3.32 ERA and a 3.79 FIP with a 17.9% strikeout rate over 40.7 innings in 2026.

Stat	2026	Percentile
Innings pitched	40.7	–
Starts	0	–
ERA	3.32	–
FIP	3.79	–
xFIP	4.05	–
Strikeout %	17.9%	–
Walk %	9.2%	–
K-BB%	8.7%	–
Home runs per 9	0.66	–
Whiff %	18.4%	–
Fastball velocity	90.7	–

Not enough innings in 2026 to compare.

Recent seasons

Season	IP	ERA	FIP	K%	BB%
2026	40.7	3.32	3.79	17.9%	9.2%
2025	17.7	3.57	5.17	11.2%	6.2%
2024	99.3	4.08	4.15	17.2%	7.3%

Seattle Mariners teammates

Randy Arozarena
Julio Rodríguez
Josh Naylor
Cole Young
Taylor Ward
Dominic Canzone
Cal Raleigh
J.P. Crawford

About these numbers

Season totals and rates from every regular-season game. wRC+ is runs created adjusted for park and league (100 is average); FIP and xFIP estimate a pitcher's run prevention from strikeouts, walks and home runs; K-BB% is strikeout rate minus walk rate.

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