Home › Analytics › MLB Player Stats › Merrill Kelly

Merrill Kelly

Pitcher · Arizona Diamondbacks. 2026 season stats with ranks among qualified players.

Pitching, 2026

Merrill Kelly posted a 4.94 ERA and a 5.32 FIP with a 16.0% strikeout rate over 162.0 innings in 2026.

Stat	2026	Percentile
Innings pitched	162.0	–
Starts	29	–
ERA	4.94	8th percentile
FIP	5.32	3rd percentile
xFIP	4.81	7th percentile
Strikeout %	16.0%	6th percentile
Walk %	9.9%	32nd percentile
K-BB%	6.1%	3rd percentile
Home runs per 9	1.56	8th percentile
Whiff %	19.6%	18th percentile
Fastball velocity	92.2	–

Percentile compares each number with the 182 qualified pitchers in 2026 (100th = best, including for stats where lower is better).

Recent seasons

Season	IP	ERA	FIP	K%	BB%
2026	162.0	4.94	5.32	16.0%	9.9%
2025	184.0	3.52	3.76	22.3%	6.4%
2024	73.7	4.03	4.25	20.9%	6.3%

Arizona Diamondbacks teammates

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.

Every MLB player has a page like this one; the full leaderboards are on the MLB Player Stats page.