All-Time MLB Player Pitching Stat Leaders by Season

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PLAYER	YEAR	TEAM	W	L	ERA	G	GS	CG	SHO	SV	SVO	IP	H	R	ER	HR	HB	BB	SO	WHIP	AVG
1 PudP GalvinGalvin P 1 ‌ ‌ ‌	1883	BUF	46	29	2.72	76	75	72	5	0	--	656.1	676	367	198	9		50	279	1.11	--
1 WillW WhiteWhite P 1 ‌ ‌ ‌	1879	CIN	43	31	1.99	76	75	75	4	0	--	680.0	676	404	150	10		68	232	1.09	--
3 JimJ McCormickMcCormick P 3 ‌ ‌ ‌	1880	CLE	45	28	1.85	74	74	72	7	0	--	657.2	585	274	135	2		75	260	1.00	--
4 GuyG HeckerHecker P 4 ‌ ‌ ‌	1884	LOU	52	20	1.80	75	73	72	6	0	--	670.2	526	230	134	4	16	56	385	0.87	.204
4 Old HossO RadbournRadbourn P 4 ‌ ‌ ‌	1884	PRO	59	12	1.38	75	73	73	11	1	--	678.2	528	216	104	18		98	441	0.92	--
6 PudP GalvinGalvin P 6 ‌ ‌ ‌	1884	BUF	46	22	1.99	72	72	71	12	0	--	636.1	566	254	141	23		63	369	0.99	--
6 JohnJ ClarksonClarkson P 6 ‌ ‌ ‌	1889	BSN	49	19	2.73	73	72	68	8	1	--	620.0	589	280	188	16	17	203	284	1.28	.243
8 JohnJ ClarksonClarkson P 8 ‌ ‌ ‌	1885	CHI	53	16	1.85	70	70	68	10	0	--	623.0	497	255	128	21		97	308	0.95	--
8 WilliamW HutchinsonHutchinson P 8 ‌ ‌ ‌	1892	CHI	36	36	2.76	75	70	67	5	1	--	622.0	571	316	191	11	13	190	314	1.22	.234
10 MattM KilroyKilroy P 10 ‌ ‌ ‌	1887	BAL	46	19	3.07	69	69	66	6	0	--	589.1	585	326	201	9	20	157	217	1.26	.253
11 TimT KeefeKeefe P 11 ‌ ‌ ‌	1883	NYM	41	27	2.41	68	68	68	5	0	--	619.0	488	244	166	6		108	359	0.96	--
11 MattM KilroyKilroy P 11 ‌ ‌ ‌	1886	BAL	29	34	3.37	68	68	66	5	0	--	583.0	476	350	218	10	19	182	513	1.13	.210
11 Old HossO RadbournRadbourn P 11 ‌ ‌ ‌	1883	PRO	48	25	2.05	76	68	66	4	1	--	632.1	563	275	144	7		56	315	0.98	--
11 JimJ DevlinDevlin P 11 ‌ ‌ ‌	1876	LOU	30	35	1.56	68	68	66	5	0	--	622.0	566	309	108	3		37	122	0.97	--
15 CharlieC BuffintonBuffinton P 15 ‌ ‌ ‌	1884	BSN	48	16	2.15	67	67	63	8	0	--	587.0	506	225	140	15		76	417	0.99	--
15 ToadT RamseyRamsey P 15 ‌ ‌ ‌	1886	LOU	38	27	2.45	67	67	66	3	0	--	588.2	447	297	160	3	12	207	499	1.11	.198
15 JimJ McCormickMcCormick P 15 ‌ ‌ ‌	1882	CLE	36	30	2.37	68	67	65	4	0	--	595.2	550	274	157	14		103	200	1.10	--
15 JohnJ WardWard SS 15 ‌ ‌ ‌	1880	PRO	39	24	1.74	70	67	59	8	1	--	595.0	501	230	115	5		45	230	0.92	--
19 DupeeD ShawShaw P 19 ‌ ‌ ‌	1884	BSU	30	33	2.30	67	66	60	5	0	--	543.1	446	281	139	9		109	451	1.02	--
19 LeeL RichmondRichmond P 19 ‌ ‌ ‌	1880	WOR	32	32	2.15	74	66	57	5	3	--	590.2	541	278	141	7		74	243	1.04	--
19 PudP GalvinGalvin P 19 ‌ ‌ ‌	1879	BUF	37	27	2.28	66	66	65	6	0	--	593.0	585	299	150	3		31	136	1.04	--
19 WilliamW HutchinsonHutchinson P 19 ‌ ‌ ‌	1890	CHI	42	25	2.70	71	66	65	5	2	--	603.0	505	315	181	20	13	199	289	1.17	.220
23 MickeyM WelchWelch P 23 ‌ ‌ ‌	1884	NYG	39	21	2.50	65	65	62	4	0	--	557.1	528	275	155	12		146	345	1.21	--
23 SilverS KingKing P 23 ‌ ‌ ‌	1888	STL	45	21	1.64	66	65	64	6	0	--	585.2	437	205	107	6	30	76	258	0.88	.200
23 JimJ McCormickMcCormick P 23 ‌ ‌ ‌	1884	CLE	40	25	2.37	66	65	63	10	0	--	569.0	508	263	150	20		89	343	1.05	--

Data validation provided by Elias Sports Bureau, the Official Statistician of Major League Baseball