Nixey Callahan career ERA

• Best season on file: 2.42 in 1901.
• Most recent: 4.50 in 1903.

Figures come from ESPN's box scores and were last read on September 23, 2026.

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Nixey Callahan 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.
1894	PHI	9	1	2	9.89	33.2	9	17	2.41	2
1897	CHC	23	12	9	4.03	189.2	52	55	1.46	0
1898	CHC	31	20	10	2.46	274.1	73	71	1.23	0
1899	CHC	35	21	12	3.06	294.1	77	76	1.37	0
1900	CHC	32	13	16	3.82	285.1	77	74	1.48	0
1901	CHW	27	15	8	2.42	215.1	70	50	1.14	0
1902	CHW	35	16	14	3.60	282.1	75	89	1.33	0
1903	CHW	3	1	2	4.50	28.0	12	5	1.61	0

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