Jack Quinn career ERA

• Best season on file: 1.97 in 1909.
• Most recent: 4.02 in 1933.

Average of 23 regular seasons, 1909 through 1933. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Jack Quinn 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.
1909	NYY	23	9	5	1.97	118.2	36	24	1.13	1
1910	NYY	35	18	12	2.37	235.2	82	58	1.15	0
1911	NYY	40	8	10	3.76	174.2	71	41	1.40	2
1912	NYY	18	5	7	5.79	102.2	47	23	1.58	0
1913	ATL	8	4	3	2.40	56.1	33	7	1.10	0
1914	—	46	26	14	2.60	342.2	164	65	1.17	1
1915	—	44	9	22	3.45	273.2	118	63	1.29	1
1918	CHW	6	5	1	2.29	51.0	22	7	0.88	0
1919	NYY	38	15	14	2.61	266.0	97	65	1.15	0
1920	NYY	41	18	10	3.20	253.1	101	48	1.26	3
1921	NYY	33	8	7	3.78	119.0	44	32	1.60	0
1922	BOS	40	13	16	3.48	256.0	67	59	1.26	0
1923	BOS	42	13	17	3.89	243.0	71	53	1.46	7
1924	BOS	44	12	13	3.27	228.2	64	52	1.28	7
1925	BOS/ATH	37	13	11	4.13	204.2	43	42	1.47	0
1926	ATH	31	10	11	3.41	163.2	58	36	1.39	1
1927	ATH	34	15	10	3.26	201.1	43	37	1.23	1
1928	ATH	31	18	7	2.90	211.1	43	34	1.29	1
1929	ATH	35	11	9	3.97	161.0	41	39	1.37	2
1930	ATH	35	9	7	4.42	89.2	28	22	1.46	6
1931	LAD	39	5	4	2.66	64.1	25	24	1.38	15
1932	LAD	42	3	7	3.30	87.1	28	24	1.44	8
1933	CIN	14	0	1	4.02	15.2	3	5	1.60	1

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