Jack Pfiester career ERA

• Best season on file: 1.15 in 1907.
• Most recent: 4.01 in 1911.

Figures come from ESPN's box scores and were last read on September 21, 2026.

CopyCSV

Jack Pfiester 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.
1903	PIT	3	0	3	6.16	19.0	15	10	1.89	0
1904	PIT	3	1	1	7.20	20.0	6	9	1.85	0
1906	CHC	31	20	8	1.51	250.2	153	63	0.94	0
1907	CHC	30	14	9	1.15	195.0	90	48	0.98	0
1908	CHC	33	12	10	2.00	252.0	117	70	1.09	0
1909	CHC	29	17	6	2.43	196.2	73	49	1.16	0
1910	CHC	14	6	3	1.79	100.1	34	26	1.08	0
1911	CHC	6	1	4	4.01	33.2	15	18	1.54	0

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