David Peterson ERA in 2025

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4.222025 Regular Season

David Peterson posted a 4.22 ERA in the 2025 regular season.

• 4th-best of David Peterson's 7 seasons on file; the best is 2.90 in 2024.
• Up 1.32 from 2.90 in 2024.

Average of 7 regular seasons, 2020 through 2026. Figures come from ESPN's box scores and were last read on September 22, 2026.

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David Peterson ERA in 2025, 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.
2020	NYM	10	6	2	3.44	49.2	40	24	1.21	0
2021	NYM	15	2	6	5.54	66.2	69	29	1.40	0
2022	NYM	28	7	5	3.83	105.2	126	48	1.33	0
2023	NYM	27	3	8	5.03	111.0	128	50	1.57	0
2024	NYM	21	10	3	2.90	121.0	101	46	1.29	0
2025	NYM	30	9	6	4.22	168.2	150	65	1.37	0
2026	NYM/CHC	31	9	8	4.96	143.1	131	63	1.51	1

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