All-Time MLB Player Pitching Stat Leaders by Season

PLAYER	YEAR	TEAM	W	L	ERA	G	GS	CG	SHO	SV	SVO	IP	H	R	ER	HR	HB	BB	SO	WHIP	AVG
1 JohnJ ColemanColeman RF 1 ‌ ‌ ‌	1883	PHI	12	48	4.87	65	61	59	3	0	--	538.1	772	510	291	17		48	159	1.52	--
2 WillW WhiteWhite P 2 ‌ ‌ ‌	1880	CIN	18	42	2.14	62	62	58	3	0	--	517.1	550	323	123	9		56	161	1.17	--
3 LarryL McKeonMcKeon P 3 ‌ ‌ ‌	1884	IND	18	41	3.50	61	60	59	2	0	--	512.0	488	350	199	20	18	94	308	1.14	.235
4 JimJ McCormickMcCormick P 4 ‌ ‌ ‌	1879	CLE	20	40	2.42	62	60	59	3	0	--	546.1	582	308	147	4		74	197	1.20	--
4 GeorgeG BradleyBradley P 4 ‌ ‌ ‌	1879	TRO	13	40	2.85	54	54	53	3	0	--	487.0	590	361	154	12		26	133	1.26	--
6 KidK CarseyCarsey P 6 ‌ ‌ ‌	1891	WAS	14	37	4.99	54	53	46	1	0	--	415.0	513	358	230	17	28	161	174	1.62	.293
6 GeorgeG CobbCobb P 6 ‌ ‌ ‌	1892	BAL	10	37	4.86	53	47	42	0	0	--	394.1	495	333	213	21	19	140	159	1.61	.295
6 HenryH PorterPorter P 6 ‌ ‌ ‌	1888	KC	18	37	4.16	55	54	53	4	0	--	474.0	527	336	219	16	23	120	145	1.36	.272
9 WilliamW HutchinsonHutchinson P 9 ‌ ‌ ‌	1892	CHI	36	36	2.76	75	70	67	5	1	--	622.0	571	316	191	11	13	190	314	1.22	.234
9 GeorgeG WiedmanWiedman P 9 ‌ ‌ ‌	1886	KC	12	36	4.50	51	51	48	1	0	--	427.2	549	323	214	11		112	168	1.55	--
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	--
11 FleuryF SullivanSullivan P 11 ‌ ‌ ‌	1884	PIT	16	35	4.20	51	51	51	2	0	--	441.0	496	328	206	15	20	96	189	1.34	.268
11 RedR DonahueDonahue P 11 ‌ ‌ ‌	1897	STL	10	35	6.13	46	42	38	1	1	--	348.0	485	306	237	16	22	106	64	1.70	.327
11 PudP GalvinGalvin P 11 ‌ ‌ ‌	1880	BUF	20	35	2.71	58	54	46	5	0	--	458.2	528	281	138	5		32	128	1.22	--
11 HardieH HendersonHenderson P 11 ‌ ‌ ‌	1885	BAL	25	35	3.19	61	61	59	0	0	--	539.1	539	311	191	7	19	117	263	1.22	.253
11 AdonisA TerryTerry P 11 ‌ ‌ ‌	1884	BRO	19	35	3.55	56	55	54	2	0	--	476.0	486	308	188	10	8	72	230	1.17	.248
17 AlA MaysMays P 17 ‌ ‌ ‌	1887	NYM	17	34	4.73	52	52	50	0	0	--	441.1	551	359	232	11	20	136	124	1.56	.298
17 MattM KilroyKilroy P 17 ‌ ‌ ‌	1886	BAL	29	34	3.37	68	68	66	5	0	--	583.0	476	350	218	10	19	182	513	1.13	.210
17 BobB BarrBarr P 17 ‌ ‌ ‌	1884	IND	12	34	3.94	48	48	47	2	0	--	413.0	471	327	181	11	18	50	207	1.26	.264
17 MarkM BaldwinBaldwin P 17 ‌ ‌ ‌	1889	COL	27	34	3.61	63	59	54	6	1	--	513.2	458	358	206	9	20	274	368	1.43	.231
17 AmosA RusieRusie P 17 ‌ ‌ ‌	1890	NYG	29	34	2.56	67	62	56	4	1	--	548.2	436	300	156	3	26	289	341	1.32	.212
17 BobbyB MathewsMathews P 17 ‌ ‌ ‌	1876	NYM	21	34	2.86	56	56	55	2	0	--	516.0	693	395	164	8		24	37	1.39	--
23 JerseyJ BakleyBakley P 23 ‌ ‌ ‌	1888	CLE	25	33	2.97	61	61	60	4	0	--	532.2	518	321	176	14	15	128	212	1.21	.246
23 DupeeD ShawShaw P 23 ‌ ‌ ‌	1884	BSU	30	33	2.30	67	66	60	5	0	--	543.1	446	281	139	9		109	451	1.02	--
23 HarryH McCormickMcCormick P 23 ‌ ‌ ‌	1879	SYR	18	33	2.99	54	54	49	5	0	--	457.1	517	291	152	3		31	96	1.20	--

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