Don Larsen career ERA

• Best season on file: 2.45 in 1964.
• Most recent: 9.00 in 1967.

Average of 14 regular seasons, 1953 through 1967. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Don Larsen career ERA, 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.
1953	BAL	38	7	12	4.16	192.2	96	64	1.38	2
1954	BAL	29	3	21	4.37	201.2	80	89	1.50	0
1955	NYY	19	9	2	3.06	97.0	44	51	1.36	2
1956	NYY	38	11	5	3.26	179.2	107	96	1.27	1
1957	NYY	27	10	4	3.74	139.2	81	87	1.43	0
1958	NYY	19	9	6	3.07	114.1	55	52	1.33	0
1959	NYY	25	6	7	4.33	124.2	69	76	1.59	3
1960	ATH	22	1	10	5.38	83.2	43	42	1.66	0
1961	ATH/CHW	33	8	2	4.13	89.1	66	40	1.40	2
1962	SF	49	5	4	4.38	86.1	58	47	1.51	11
1963	SF	46	7	7	3.05	62.0	44	30	1.23	3
1964	SF/HOU	36	4	9	2.45	113.2	64	26	1.13	1
1965	HOU/BAL	28	1	2	2.88	59.1	41	23	1.42	1
1967	CHC	3	0	0	9.00	4.0	1	2	1.75	0

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