Catfish Hunter career ERA

• Best season on file: 2.04 in 1972.
• Most recent: 5.31 in 1979.

Average of 15 regular seasons, 1965 through 1979. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Catfish Hunter 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.
1965	ATH	32	8	8	4.26	133.0	82	46	1.28	0
1966	ATH	30	9	11	4.02	176.2	103	64	1.26	0
1967	ATH	35	13	17	2.81	259.2	196	84	1.13	0
1968	ATH	36	13	13	3.35	234.0	172	69	1.19	1
1969	ATH	38	12	15	3.35	247.0	150	85	1.19	0
1970	ATH	40	18	14	3.81	262.1	178	74	1.25	0
1971	ATH	37	21	11	2.96	273.2	181	80	1.11	0
1972	ATH	38	21	7	2.04	295.1	191	70	0.91	0
1973	ATH	36	21	5	3.34	256.1	124	69	1.14	0
1974	ATH	41	25	12	2.49	318.1	143	46	0.99	0
1975	NYY	39	23	14	2.58	328.0	177	83	1.01	0
1976	NYY	36	17	15	3.53	298.2	173	68	1.13	0
1977	NYY	22	9	9	4.71	143.1	52	47	1.28	0
1978	NYY	21	12	6	3.58	118.0	56	35	1.13	0
1979	NYY	19	2	9	5.31	105.0	34	34	1.54	0

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