Bill Donovan career ERA

• Best season on file: 0.00 in 1916.
• Most recent: 1.50 in 1918.

Average of 18 regular seasons, 1898 through 1918. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Bill Donovan 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.
1898	—	17	1	6	4.30	88.0	36	69	1.78	0
1899	LAD	5	1	2	4.32	25.0	11	13	1.92	1
1900	LAD	5	1	2	6.68	31.0	13	18	1.74	0
1901	LAD	45	25	15	2.77	351.0	226	152	1.36	3
1902	LAD	35	17	15	2.78	297.2	170	111	1.21	1
1903	DET	35	17	16	2.29	307.0	187	95	1.11	0
1904	DET	34	17	16	2.46	293.0	137	94	1.18	0
1905	DET	34	18	15	2.60	280.2	135	101	1.20	0
1906	DET	25	9	15	3.15	211.2	85	72	1.38	0
1907	DET	32	25	4	2.19	271.0	123	82	1.12	1
1908	DET	29	18	7	2.08	242.2	141	53	1.08	0
1909	DET	21	8	7	2.31	140.1	76	60	1.29	2
1910	DET	26	17	7	2.44	206.2	107	61	1.19	0
1911	DET	20	10	9	3.31	168.1	81	64	1.33	0
1912	DET	3	1	0	0.90	10.0	6	2	0.70	0
1915	NYY	9	0	3	4.81	33.2	17	10	1.34	0
1916	NYY	1	0	0	0.00	1.0	0	1	2.00	0
1918	DET	2	1	0	1.50	6.0	1	1	1.00	0

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