Diego Segui career ERA

• Best season on file: 2.39 in 1968.
• Most recent: 5.69 in 1977.

Average of 15 regular seasons, 1962 through 1977. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Diego Segui 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.
1962	ATH	37	8	5	3.86	116.2	71	46	1.16	6
1963	ATH	38	9	6	3.77	167.0	116	73	1.47	0
1964	ATH	40	8	17	4.56	217.0	155	94	1.44	0
1965	ATH	40	5	15	4.64	163.0	119	67	1.43	0
1966	TEX	21	3	7	5.00	72.0	54	24	1.47	0
1967	ATH	36	3	4	3.09	70.0	52	31	1.33	1
1968	ATH	52	6	5	2.39	83.0	72	32	1.00	6
1969	MIL	66	12	6	3.35	142.1	113	61	1.32	12
1970	ATH	47	10	10	2.56	162.0	95	68	1.22	2
1971	ATH	26	10	8	3.14	146.1	81	63	1.26	0
1972	ATH/STL	40	3	2	3.22	78.1	65	39	1.42	9
1973	STL	65	7	6	2.78	100.1	93	53	1.31	17
1974	BOS	58	6	8	4.00	108.0	76	49	1.44	10
1975	BOS	33	2	5	4.82	71.0	45	43	1.61	6
1977	SEA	40	0	7	5.69	110.2	91	43	1.36	2

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