Jim Mooney career ERA

• Best season on file: 2.01 in 1931.
• Most recent: 5.47 in 1934.

Average of 4 regular seasons, 1931 through 1934. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Jim Mooney 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.
1931	SF	10	7	1	2.01	71.2	38	16	1.21	0
1932	SF	29	6	10	5.05	124.2	37	42	1.57	0
1933	STL	21	2	5	3.72	77.1	14	26	1.46	1
1934	STL	32	2	4	5.47	82.1	27	49	1.98	1

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