Mariano Rivera ERA in 2011

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1.912011 Regular Season

Mariano Rivera posted a 1.91 ERA in the 2011 regular season.

• 9th-best of Mariano Rivera's 19 seasons on file; the best is 1.38 in 2005.
• Up 0.11 from 1.80 in 2010.

Average of 19 regular seasons, 1995 through 2013. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Mariano Rivera ERA in 2011, 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.
1995	NYY	19	5	3	5.51	67.0	51	30	1.51	0
1996	NYY	61	8	3	2.09	107.2	130	34	0.99	5
1997	NYY	66	6	4	1.88	71.2	68	20	1.19	43
1998	NYY	54	3	0	1.91	61.1	36	17	1.06	36
1999	NYY	66	4	3	1.83	69.0	52	18	0.88	45
2000	NYY	66	7	4	2.85	75.2	58	25	1.10	36
2001	NYY	71	4	6	2.34	80.2	83	12	0.90	50
2002	NYY	45	1	4	2.74	46.0	41	11	1.00	28
2003	NYY	64	5	2	1.66	70.2	63	10	1.00	40
2004	NYY	74	4	2	1.94	78.2	66	20	1.08	53
2005	NYY	71	7	4	1.38	78.1	80	18	0.87	43
2006	NYY	63	5	5	1.80	75.0	55	11	0.96	34
2007	NYY	67	3	4	3.15	71.1	74	12	1.12	30
2008	NYY	64	6	5	1.40	70.2	77	6	0.67	39
2009	NYY	66	3	3	1.76	66.1	72	12	0.90	44
2010	NYY	61	3	3	1.80	60.0	45	11	0.83	33
2011	NYY	64	1	2	1.91	61.1	60	8	0.90	44
2012	NYY	9	1	1	2.16	8.1	8	2	0.96	5
2013	NYY	64	6	2	2.11	64.0	54	9	1.05	44

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