Joe Horlen career ERA

• Best season on file: 1.88 in 1964.
• Most recent: 3.00 in 1972.

Average of 12 regular seasons, 1961 through 1972. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Joe Horlen 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.
1961	CHW	5	1	3	6.62	17.2	11	13	2.15	0
1962	CHW	20	7	6	4.89	108.2	63	43	1.39	0
1963	CHW	33	11	7	3.27	124.0	61	55	1.43	0
1964	CHW	32	13	9	1.88	210.2	138	55	0.94	0
1965	CHW	34	13	13	2.88	219.0	125	39	1.11	0
1966	CHW	37	10	13	2.43	211.0	124	53	1.13	1
1967	CHW	35	19	7	2.06	258.0	103	58	0.95	0
1968	CHW	35	12	14	2.37	223.2	102	70	1.19	0
1969	CHW	36	13	16	3.78	235.2	121	77	1.33	0
1970	CHW	28	6	16	4.86	172.1	77	41	1.39	0
1971	CHW	34	8	9	4.26	137.1	82	30	1.31	2
1972	ATH	32	3	4	3.00	84.0	58	20	1.12	1

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