Tom Seaver ERA in 1986

• 19th-best of Tom Seaver's 20 seasons on file; the best is 1.76 in 1971.
• Up 0.86 from 3.17 in 1985.

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

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Tom Seaver ERA in 1986, 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.
1967	NYM	35	16	13	2.76	251.0	170	78	1.20	0
1968	NYM	36	16	12	2.20	277.2	205	48	0.98	1
1969	NYM	36	25	7	2.21	273.1	208	82	1.04	0
1970	NYM	37	18	12	2.82	290.2	283	83	1.08	0
1971	NYM	36	20	10	1.76	286.1	289	61	0.95	0
1972	NYM	35	21	12	2.92	262.0	249	77	1.11	0
1973	NYM	36	19	10	2.08	290.0	251	64	0.98	0
1974	NYM	32	11	11	3.20	236.0	201	75	1.16	0
1975	NYM	36	22	9	2.38	280.1	243	88	1.09	0
1976	NYM	35	14	11	2.59	271.0	235	77	1.06	0
1977	NYM/CIN	33	21	6	2.58	261.1	196	66	1.01	0
1978	CIN	36	16	14	2.88	259.2	226	89	1.18	0
1979	CIN	32	16	6	3.14	215.0	131	61	1.15	0
1980	CIN	26	10	8	3.64	168.0	101	59	1.18	0
1981	CIN	23	14	2	2.54	166.1	87	66	1.12	0
1982	CIN	21	5	13	5.50	111.1	62	44	1.62	0
1983	NYM	34	9	14	3.55	231.0	135	86	1.24	0
1984	CHW	34	15	11	3.95	236.2	131	61	1.17	0
1985	CHW	35	16	11	3.17	238.2	134	69	1.22	0
1986	CHW/BOS	28	7	13	4.03	176.1	103	56	1.34	0

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