Joe Sullivan career ERA

• Best season on file: 3.51 in 1935.
• Most recent: 3.63 in 1941.

Average of 5 regular seasons, 1935 through 1941. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Joe Sullivan 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.
1935	DET	25	6	6	3.51	125.2	53	71	1.51	0
1936	DET	26	2	5	6.78	79.2	32	40	1.90	1
1939	ATL	31	6	9	3.64	113.2	46	50	1.44	2
1940	ATL	36	10	14	3.55	177.1	64	89	1.39	1
1941	ATL/PIT	32	6	3	3.63	91.2	21	48	1.61	1

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