Adam Wainwright ERA in 2021

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3.052021 Regular Season

Adam Wainwright posted a 3.05 ERA in the 2021 regular season.

• 6th-best of Adam Wainwright's 18 seasons on file; the best is 1.61 in 2015.
• Down 0.10 from 3.15 in 2020.

Figures come from ESPN's box scores and were last read on September 22, 2026.

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Adam Wainwright ERA in 2021, 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.
2005	STL	2	0	0	13.50	2.0	0	1	1.50	0
2006	STL	61	2	1	3.12	75.0	72	22	1.15	3
2007	STL	32	14	12	3.70	202.0	136	70	1.40	0
2008	STL	20	11	3	3.20	132.0	91	34	1.18	0
2009	STL	34	19	8	2.63	233.0	212	66	1.21	0
2010	STL	33	20	11	2.42	230.1	213	56	1.05	0
2012	STL	32	14	13	3.94	198.2	184	52	1.25	0
2013	STL	34	19	9	2.94	241.2	219	35	1.07	0
2014	STL	32	20	9	2.38	227.0	179	50	1.03	0
2015	STL	7	2	1	1.61	28.0	20	4	1.04	0
2016	STL	33	13	9	4.62	198.2	161	59	1.40	0
2017	STL	24	12	5	5.11	123.1	96	45	1.50	0
2018	STL	8	2	4	4.46	40.1	40	18	1.46	0
2019	STL	31	14	10	4.19	171.2	153	64	1.43	0
2020	STL	10	5	3	3.15	65.2	54	15	1.05	0
2021	STL	32	17	7	3.05	206.1	174	50	1.06	0
2022	STL	32	11	12	3.71	191.2	143	54	1.28	0
2023	STL	21	5	11	7.40	101.0	55	41	1.90	0

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