Warren Spahn ERA in 1963

• 3rd-best of Warren Spahn's 21 seasons on file; the best is 2.10 in 1953.
• Down 0.44 from 3.04 in 1962.

Lowest of 21 regular seasons, 1942 through 1965. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Warren Spahn ERA in 1963, 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.
1942	ATL	4	0	0	5.74	15.2	7	11	2.30	0
1946	ATL	24	8	5	2.94	125.2	67	36	1.14	1
1947	ATL	40	21	10	2.33	289.2	123	84	1.14	3
1948	ATL	36	15	12	3.71	257.0	114	77	1.22	1
1949	ATL	38	21	14	3.07	302.1	151	86	1.22	0
1950	ATL	41	21	17	3.16	293.0	191	111	1.23	1
1951	ATL	39	22	14	2.98	310.2	164	109	1.25	0
1952	ATL	40	14	19	2.98	290.0	183	73	1.16	3
1953	ATL	35	23	7	2.10	265.2	148	70	1.06	3
1954	ATL	39	21	12	3.14	283.1	136	86	1.23	3
1955	ATL	39	17	14	3.26	245.2	110	65	1.28	1
1956	ATL	39	20	11	2.78	281.1	128	52	1.07	3
1957	ATL	39	21	11	2.69	271.0	111	78	1.18	3
1958	ATL	38	22	11	3.07	290.0	150	76	1.15	1
1959	ATL	40	21	15	2.96	292.0	143	70	1.21	0
1960	ATL	40	21	10	3.50	267.2	154	74	1.23	2
1961	ATL	38	21	13	3.02	262.2	115	64	1.14	0
1962	ATL	34	18	14	3.04	269.1	118	55	1.13	0
1963	ATL	33	23	7	2.60	259.2	102	49	1.12	0
1964	ATL	38	6	13	5.29	173.2	78	52	1.47	4
1965	NYM/SF	36	7	16	4.01	197.2	90	56	1.35	0

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