All-Time MLB Player Pitching Stat Leaders by Season

When table is sorted by a rate stat (ex. – AVG, ERA), non-qualified players are hidden by default. All-Star starting pitcher Paul Skenes does not yet qualify for ERA title. View his stats here.

PLAYER	YEAR	TEAM	W	L	ERA	G	GS	CG	SHO	SV	SVO	IP	H	R	ER	HR	HB	BB	SO	WHIP	AVG
1 MarkM BaldwinBaldwin P 1 ‌ ‌ ‌	1889	COL	27	34	3.61	63	59	54	6	1	--	513.2	458	358	206	9	20	274	368	1.43	.231
2 TonyT MullaneMullane P 2 ‌ ‌ ‌	1884	TOL	36	26	2.52	67	65	64	7	0	--	567.0	481	276	159	5	32	89	325	1.01	.214
2 BillB StemmeyerStemmeyer P 2 ‌ ‌ ‌	1886	BSN	22	18	3.02	41	41	41	0	0	--	348.2	300	218	117	11		144	239	1.27	--
4 MikeM MorrisonMorrison P 4 ‌ ‌ ‌	1887	CLE	12	25	4.92	40	40	35	0	0	--	316.2	385	341	173	13	22	205	158	1.86	.294
5 MattM KilroyKilroy P 5 ‌ ‌ ‌	1886	BAL	29	34	3.37	68	68	66	5	0	--	583.0	476	350	218	10	19	182	513	1.13	.210
6 EdE SewardSeward P 6 ‌ ‌ ‌	1887	PHA	25	25	4.13	55	52	52	3	0	--	470.2	445	293	216	7	24	140	155	1.24	.244
7 GusG WeyhingWeyhing P 7 ‌ ‌ ‌	1888	PHA	28	18	2.25	47	47	45	3	0	--	404.0	314	198	101	4	42	111	204	1.05	.207
7 JerseyJ BakleyBakley P 7 ‌ ‌ ‌	1884	KC	16	30	4.29	46	45	43	1	0	--	394.2	443	338	188	0		81	226	1.33	--
9 EdE SewardSeward P 9 ‌ ‌ ‌	1888	PHA	35	19	2.01	57	57	57	6	0	--	518.2	388	203	116	4	22	127	272	0.99	.200
10 TonyT MullaneMullane P 10 ‌ ‌ ‌	1886	CIN	33	27	3.70	63	56	55	1	0	--	529.2	501	315	218	11	18	166	250	1.26	.242
11 SamS KimberKimber P 11 ‌ ‌ ‌	1884	BRO	18	20	3.81	41	41	41	4	0	--	361.1	364	240	153	6	15	72	122	1.21	.247
12 HardieH HendersonHenderson P 12 ‌ ‌ ‌	1885	BAL	25	35	3.19	61	61	59	0	0	--	539.1	539	311	191	7	19	117	263	1.22	.253
12 MickeyM WelchWelch P 12 ‌ ‌ ‌	1886	NYG	33	22	2.99	59	59	56	1	0	--	500.0	514	279	166	13		163	272	1.35	--
14 HughH DailyDaily P 14 ‌ ‌ ‌	1884	CUN	28	28	2.43	58	58	56	5	0	--	500.2	446	268	135	11		72	483	1.03	--
15 GusG WeyhingWeyhing P 15 ‌ ‌ ‌	1887	PHA	26	28	4.27	55	55	53	2	0	--	466.1	465	342	221	12	37	167	193	1.36	.253
15 WillW WhiteWhite P 15 ‌ ‌ ‌	1879	CIN	43	31	1.99	76	75	75	4	0	--	680.0	676	404	150	10		68	232	1.09	--
17 ToadT RamseyRamsey P 17 ‌ ‌ ‌	1888	LOU	8	30	3.42	40	40	37	1	0	--	342.1	362	278	130	10	11	86	228	1.31	.262
17 JohnJ HarkinsHarkins P 17 ‌ ‌ ‌	1884	CLE	12	32	3.68	46	45	42	3	0	--	391.0	399	300	160	7		108	192	1.30	--
19 JohnJ HarkinsHarkins P 19 ‌ ‌ ‌	1885	BRO	14	20	3.75	34	34	33	1	0	--	293.0	303	224	122	7	7	56	141	1.23	.250
19 EllsworthE CunninghamCunningham P 19 ‌ ‌ ‌	1888	BAL	22	29	3.39	51	51	50	0	0	--	453.1	412	275	171	8	30	157	186	1.26	.233
21 MattM KilroyKilroy P 21 ‌ ‌ ‌	1887	BAL	46	19	3.07	69	69	66	6	0	--	589.1	585	326	201	9	20	157	217	1.26	.253
21 JimJ WhitneyWhitney P 21 ‌ ‌ ‌	1881	BSN	31	33	2.48	66	63	57	6	0	--	552.1	548	284	152	6		90	162	1.16	--
21 ToadT RamseyRamsey P 21 ‌ ‌ ‌	1887	LOU	37	27	3.43	65	64	61	0	0	--	561.0	544	358	214	9	16	167	355	1.27	.242
21 JimJ McElroyMcElroy P 21 ‌ ‌ ‌	1884	WIL	1	13	5.12	14	14	13	0	0	--	116.0	125	118	66	1		54	48	1.54	--
25 HardieH HendersonHenderson P 25 ‌ ‌ ‌	1884	BAL	27	23	2.62	52	52	50	4	0	--	439.1	382	235	128	9	16	116	346	1.13	.216

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