Frank Kitson career ERA

• Best season on file: 2.58 in 1903.
• Most recent: 3.39 in 1907.

Average of 10 regular seasons, 1898 through 1907. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Frank Kitson 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.
1898	—	17	8	5	3.24	119.1	32	35	1.32	0
1899	—	40	22	16	2.77	327.2	75	65	1.20	0
1900	LAD	40	15	13	4.19	253.1	55	56	1.34	4
1901	LAD	38	19	11	2.98	280.2	127	67	1.35	2
1902	LAD	31	19	12	2.84	259.2	107	48	1.15	0
1903	DET	31	15	16	2.58	257.2	102	38	1.22	0
1904	DET	26	8	13	3.07	199.2	69	38	1.25	1
1905	DET	33	12	14	3.47	225.2	78	57	1.27	1
1906	MIN	30	6	14	3.65	197.0	59	57	1.28	0
1907	MIN/NYY	17	4	3	3.39	93.0	25	26	1.53	0

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