Trevor Williams ERA in 2025

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6.212025 Regular Season

Trevor Williams posted a 6.21 ERA in the 2025 regular season.

• 10th-best of Trevor Williams' 11 seasons on file; the best is 2.03 in 2024.
• Up 4.18 from 2.03 in 2024.

Figures come from ESPN's box scores and were last read on September 21, 2026.

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Trevor Williams 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.
2016	PIT	7	1	1	7.82	12.2	11	5	1.89	0
2017	PIT	31	7	9	4.07	150.1	117	52	1.31	0
2018	PIT	31	14	10	3.11	170.2	126	55	1.18	0
2019	PIT	26	7	9	5.38	145.2	113	44	1.41	0
2020	PIT	11	2	8	6.18	55.1	49	21	1.57	0
2021	CHC/NYM	23	4	2	4.35	91.0	90	31	1.49	0
2022	NYM	30	3	5	3.21	89.2	84	23	1.23	1
2023	WSH	30	6	10	5.55	144.1	111	53	1.60	0
2024	WSH	13	6	1	2.03	66.2	59	18	1.04	0
2025	WSH	17	3	10	6.21	82.2	65	21	1.54	0
2026	WSH/TEX	13	2	0	2.73	26.1	30	9	1.18	0

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