Win Ballou career ERA

• Best season on file: 4.55 in 1925.
• Most recent: 6.71 in 1929.

Average of 4 regular seasons, 1925 through 1929. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Win Ballou 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.
1925	MIN	10	1	1	4.55	27.2	13	13	1.84	0
1926	BAL	43	11	10	4.79	154.0	59	71	1.67	2
1927	BAL	21	5	6	4.78	90.1	17	46	1.67	0
1929	LAD	25	2	3	6.71	57.2	20	38	1.86	0

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