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Mark Leiter Jr.

Pitcher · Athletics. 2025 season stats with ranks among qualified players.

Pitching, 2025

Mark Leiter Jr. posted a 4.84 ERA and a 3.55 FIP with a 24.6% strikeout rate over 48.3 innings in 2025.

Stat	2025	Percentile
Innings pitched	48.3	–
Starts	0	–
ERA	4.84	–
FIP	3.55	–
xFIP	4.01	–
Strikeout %	24.6%	–
Walk %	7.7%	–
K-BB%	16.8%	–
Home runs per 9	0.93	–
Whiff %	28.0%	–
Fastball velocity	93.7	–

Not enough innings in 2025 to compare.

Recent seasons

Season	IP	ERA	FIP	K%	BB%
2026	33.7	4.28	2.95	26.0%	7.5%
2025	48.3	4.84	3.55	24.6%	7.7%
2024	58.0	4.50	3.29	33.6%	8.6%

Athletics teammates

Lawrence Butler
Jeff McNeil
Henry Bolte
Shea Langeliers
Tyler Soderstrom
Nick Kurtz
Zack Gelof
Seth Brown

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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