Sadie McMahon career ERA

• Best season on file: 2.81 in 1891.
• Most recent: 5.86 in 1897.

Average of 9 regular seasons, 1889 through 1897. Figures come from ESPN's box scores and were last read on September 23, 2026.

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Sadie McMahon 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.
1889	—	28	14	12	3.53	242.0	117	102	1.37	0
1890	—	60	36	21	3.27	509.0	291	166	1.30	1
1891	—	61	35	24	2.81	503.0	219	149	1.28	1
1892	—	48	19	25	3.24	397.0	118	145	1.45	1
1893	—	43	23	18	4.37	346.1	79	156	1.54	1
1894	—	35	25	8	4.21	275.2	60	111	1.55	0
1895	—	15	10	4	2.94	122.1	37	32	1.16	0
1896	—	22	11	9	3.48	175.2	33	55	1.42	0
1897	LAD	9	0	6	5.86	63.0	13	29	1.65	0

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