Merrill Kelly ERA in 2023

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3.292023 Regular Season

Merrill Kelly posted a 3.29 ERA in the 2023 regular season.

• 2nd-best of Merrill Kelly's 8 seasons on file; the best is 2.59 in 2020.
• Down 0.08 from 3.37 in 2022.

Figures come from ESPN's box scores and were last read on September 23, 2026.

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Merrill Kelly ERA in 2023, season by season

Season↓	Team↓	GP↓iGP: Games the player appeared in, however briefly.	W↓iW: Games in which this pitcher was credited with the win.	L↓iL: Games in which this pitcher was charged with the loss.	ERA↓iERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.	IP↓iIP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.	K↓iK: Batters this pitcher struck out.	BB↓iBB: Times the batter reached first base on four balls.	WHIP↓iWHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite.	SV↓iSV: Games finished by protecting a narrow lead to the last out.
2019	ARI	32	13	14	4.42	183.1	158	57	1.31	0
2020	ARI	5	3	2	2.59	31.1	29	5	0.99	0
2021	ARI	27	7	11	4.44	158.0	130	41	1.29	0
2022	ARI	33	13	8	3.37	200.1	177	61	1.14	0
2023	ARI	30	12	8	3.29	177.2	187	69	1.19	0
2024	ARI	13	5	1	4.03	73.2	63	19	1.17	0
2025	ARI/TEX	32	12	9	3.52	184.0	167	48	1.11	0
2026	ARI	28	9	14	5.00	156.2	111	69	1.47	0

What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV