All-Time MLB Player Pitching Stat Leaders by Season

PLAYER	YEAR	TEAM	W	L	ERA	G	GS	CG	SHO	SVO	IP	H	R	ER	HR	HB	BB	SO	WHIP	AVG
1 GermánG MárquezMárquez P 1 ‌ ‌ ‌	2019	COL	12	5	4.76	28	28	1	1	0	174.0	174	96	92	29	5	35	175	1.20	.259
2 MasahiroM TanakaTanaka P 2 ‌ ‌ ‌	2017	NYY	13	12	4.74	30	30	1	1	0	178.1	180	100	94	35	7	41	194	1.24	.257
3 RickyR NolascoNolasco P 3 ‌ ‌ ‌	2009	FLA	13	9	5.06	31	31	2	0	0	185.0	188	111	104	23	2	44	195	1.25	.259
4 AaronA CivaleCivale P 4 ‌ ‌ ‌	2020	CLE	4	6	4.74	12	12	1	0	0	74.0	82	39	39	11	3	16	69	1.32	.282
5 JonJ LieberLieber P 5 ‌ ‌ ‌	2006	PHI	9	11	4.93	27	27	2	1	0	168.0	196	100	92	27	6	24	100	1.31	.291
6 EricE MiltonMilton P 6 ‌ ‌ ‌	2002	MIN	13	9	4.84	29	29	2	1	0	171.0	173	96	92	24	3	30	121	1.19	.258
7 RickR PorcelloPorcello P 7 ‌ ‌ ‌	2015	BOS	9	15	4.92	28	28	0	0	0	172.0	196	103	94	25	10	38	149	1.36	.287
8 MichaelM PinedaPineda P 8 ‌ ‌ ‌	2016	NYY	6	12	4.82	32	32	0	0	0	175.2	184	98	94	27	6	53	207	1.35	.266
9 CarlC PavanoPavano P 9 ‌ ‌ ‌	2009	MIN	14	12	5.10	33	33	1	1	0	199.1	235	119	113	26	6	39	147	1.37	.294
10 NickN PivettaPivetta P 10 ‌ ‌ ‌	2018	PHI	7	14	4.77	33	32	0	0	0	164.0	163	91	87	24	5	51	188	1.30	.261
11 JamesJ ShieldsShields P 11 ‌ ‌ ‌	2010	TB	13	15	5.18	34	33	0	0	0	203.1	246	128	117	34	5	51	187	1.46	.294
12 SamS WeaverWeaver P 12 ‌ ‌ ‌	1884	PHK	5	10	5.76	17	17	14	0	--	136.0	206	146	87	3		11	40	1.60	--
12 EricE MiltonMilton P 12 ‌ ‌ ‌	2000	MIN	13	10	4.86	33	33	0	0	0	200.0	205	123	108	35	7	44	160	1.25	.260
14 BobB TewksburyTewksbury P 14 ‌ ‌ ‌	1994	STL	12	10	5.32	24	24	4	1	0	155.2	190	97	92	19	3	22	79	1.36	.304
15 JonJ GrayGray P 15 ‌ ‌ ‌	2018	COL	12	9	5.12	31	31	0	0	0	172.1	180	102	98	27	6	52	183	1.35	.266
16 MilesM MikolasMikolas P 16 ‌ ‌ ‌	2023	STL	9	13	4.78	35	35	0	0	0	201.1	226	110	107	26	8	39	137	1.32	.282
17 GilG HerediaHeredia P 17 ‌ ‌ ‌	1999	OAK	13	8	4.81	33	33	1	0	0	200.1	228	119	107	22	8	34	117	1.31	.283
18 DrewD SmylySmyly P 18 ‌ ‌ ‌	2016	TB	7	12	4.88	30	30	0	0	0	175.1	174	103	95	32	2	49	167	1.27	.259
19 DylanD BundyBundy P 19 ‌ ‌ ‌	2018	BAL	8	16	5.45	31	31	1	0	0	171.2	188	116	104	41	6	54	184	1.41	.274
20 MarkM ClarkClark P 20 ‌ ‌ ‌	1998	CHC	9	14	4.84	33	33	2	1	0	213.2	236	116	115	23	4	48	161	1.33	.278
21 JeffJ SamardzijaSamardzija P 21 ‌ ‌ ‌	2015	CWS	11	13	4.96	32	32	2	2	0	214.0	228	122	118	29	12	49	163	1.29	.273
22 JohnJ ColemanColeman RF 22 ‌ ‌ ‌	1883	PHI	12	48	4.87	65	61	59	3	--	538.1	772	510	291	17		48	159	1.52	--
23 JoséJ BerríosBerríos P 23 ‌ ‌ ‌	2022	TOR	12	7	5.23	32	32	0	0	0	172.0	199	103	100	29	11	45	149	1.42	.288
24 JavierJ VazquezVazquez P 24 ‌ ‌ ‌	2006	CWS	11	12	4.84	33	32	1	0	0	202.2	206	116	109	23	15	56	184	1.29	.259
25 KevinK TapaniTapani P 25 ‌ ‌ ‌	2000	CHC	8	12	5.01	30	30	2	0	0	195.2	208	113	109	35	8	47	150	1.30	.271

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