Jesse Haines career ERA

• Best season on file: 1.80 in 1918.
• Most recent: 4.52 in 1937.

Average of 19 regular seasons, 1918 through 1937. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Jesse Haines 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.
1918	CIN	1	0	0	1.80	5.0	2	1	1.20	0
1920	STL	47	13	20	2.98	301.2	120	80	1.27	2
1921	STL	37	18	12	3.50	244.1	84	56	1.30	0
1922	STL	29	11	9	3.84	183.0	62	45	1.38	0
1923	STL	37	20	13	3.11	266.0	73	75	1.35	0
1924	STL	35	8	19	4.41	222.2	69	66	1.53	0
1925	STL	29	13	14	4.57	207.0	63	52	1.38	0
1926	STL	33	13	4	3.25	183.0	46	48	1.28	1
1927	STL	38	24	10	2.72	300.2	89	77	1.16	1
1928	STL	33	20	8	3.18	240.1	77	72	1.29	0
1929	STL	28	13	10	5.71	179.2	59	73	1.69	0
1930	STL	29	13	8	4.30	182.0	68	54	1.48	1
1931	STL	19	12	3	3.02	122.1	27	28	1.32	0
1932	STL	20	3	5	4.75	85.1	27	16	1.55	0
1933	STL	32	9	6	2.50	115.1	37	37	1.30	1
1934	STL	37	4	4	3.50	90.0	17	19	1.17	1
1935	STL	30	6	5	3.59	115.1	24	28	1.20	2
1936	STL	25	7	5	3.90	99.1	19	21	1.32	1
1937	STL	16	3	3	4.52	65.2	18	23	1.58	0

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