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 PhilP KnellKnell P 1 ‌ ‌ ‌	1891	COL	28	27	2.92	58	52	47	5	0	--	462.0	363	228	150	4	54	226	228	1.27	.209
2 FrankF ForemanForeman P 2 ‌ ‌ ‌	1891	WAS	18	20	3.73	43	41	39	1	1	--	345.1	381	245	143	9	43	142	170	1.51	.271
3 GusG WeyhingWeyhing P 3 ‌ ‌ ‌	1888	PHA	28	18	2.25	47	47	45	3	0	--	404.0	314	198	101	4	42	111	204	1.05	.207
4 FrankF ForemanForeman P 4 ‌ ‌ ‌	1889	BAL	23	21	3.52	51	48	43	5	0	--	414.0	364	257	162	8	40	137	180	1.21	.229
4 JoeJ McGinnityMcGinnity P 4 ‌ ‌ ‌	1900	BRO	28	8	2.94	44	37	32	1	0	--	343.0	350	179	112	5	40	113	93	1.35	.264
6 DannyD FriendFriend P 6 ‌ ‌ ‌	1896	CHI	18	14	4.74	36	33	28	1	0	--	290.2	298	196	153	11	39	139	86	1.50	.263
7 GusG WeyhingWeyhing P 7 ‌ ‌ ‌	1887	PHA	26	28	4.27	55	55	53	2	0	--	466.1	465	342	221	12	37	167	193	1.36	.253
8 EdE DohenyDoheny P 8 ‌ ‌ ‌	1899	NYG	14	17	4.51	35	33	30	1	0	--	265.1	282	202	133	2	36	156	115	1.65	.272
9 WillW WhiteWhite P 9 ‌ ‌ ‌	1884	CIN	34	18	3.32	52	52	52	7	0	--	456.0	479	224	168	16	35	74	118	1.21	.255
10 GusG WeyhingWeyhing P 10 ‌ ‌ ‌	1889	PHA	30	21	2.95	54	53	50	4	0	--	449.0	382	271	147	15	34	212	213	1.32	.223
11 PinkP HawleyHawley P 11 ‌ ‌ ‌	1895	PIT	31	22	3.18	56	50	44	4	1	--	444.1	449	242	157	7	33	122	142	1.29	.258
12 ChickC FraserFraser P 12 ‌ ‌ ‌	1901	PHA	22	16	3.81	40	37	35	2	0	--	331.0	344	210	140	6	32	132	110	1.44	.265
12 TonyT MullaneMullane P 12 ‌ ‌ ‌	1887	CIN	31	17	3.24	48	48	47	6	0	--	416.1	414	234	150	11	32	121	97	1.29	.257
12 TonyT MullaneMullane P 12 ‌ ‌ ‌	1884	TOL	36	26	2.52	67	65	64	7	0	--	567.0	481	276	159	5	32	89	325	1.01	.214
12 CyC SeymourSeymour OF 12 ‌ ‌ ‌	1898	NYG	25	19	3.18	45	43	39	4	0	--	356.2	313	199	126	4	32	213	239	1.47	.234
16 GusG WeyhingWeyhing P 16 ‌ ‌ ‌	1891	PHA	31	20	3.18	52	51	51	3	0	--	450.0	428	231	159	12	31	161	219	1.31	.242
17 VicV WillisWillis P 17 ‌ ‌ ‌	1899	BSN	27	8	2.50	41	38	35	5	2	--	342.2	277	126	95	6	30	117	120	1.15	.221
17 EllsworthE CunninghamCunningham P 17 ‌ ‌ ‌	1888	BAL	22	29	3.39	51	51	50	0	0	--	453.1	412	275	171	8	30	157	186	1.26	.233
17 SilverS KingKing P 17 ‌ ‌ ‌	1888	STL	45	21	1.64	66	65	64	6	0	--	585.2	437	205	107	6	30	76	258	0.88	.200
20 VicV WillisWillis P 20 ‌ ‌ ‌	1898	BSN	25	13	2.84	41	38	29	1	0	--	311.0	264	143	98	5	29	148	160	1.32	.228
20 TomT VickeryVickery P 20 ‌ ‌ ‌	1890	PHI	24	22	3.44	46	46	41	2	0	--	382.0	405	250	146	8	29	184	162	1.54	.264
20 TonyT MullaneMullane P 20 ‌ ‌ ‌	1888	CIN	26	16	2.84	44	42	41	4	1	--	380.1	341	194	120	9	29	75	186	1.09	.231
20 ChickC FraserFraser P 20 ‌ ‌ ‌	1896	LOU	12	27	4.87	43	38	36	0	1	--	349.1	396	282	189	9	29	166	91	1.61	.283
20 ChickC FraserFraser P 20 ‌ ‌ ‌	1898	CLE	9	20	5.36	32	32	26	1	0	--	245.0	279	191	146	6	29	112	77	1.60	.284
25 PinkP HawleyHawley P 25 ‌ ‌ ‌	1896	PIT	22	21	3.57	49	43	37	2	0	--	378.0	382	197	150	2	28	157	137	1.43	.260

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