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 JoeJ WoodWood P 1 ‌ ‌ ‌	1912	BOS	34	5	1.91	43	38	35	10	1	--	344.0	267	104	73	2	12	82	258	1.01	.216
2 CyC YoungYoung P 2 ‌ ‌ ‌	1901	BOS	33	10	1.62	43	41	38	5	0	--	371.1	324	112	67	6	7	37	158	0.97	.232
3 CyC YoungYoung P 3 ‌ ‌ ‌	1902	BOS	32	11	2.15	45	43	41	3	0	--	384.2	350	136	92	6	13	53	160	1.05	.243
4 CyC YoungYoung P 4 ‌ ‌ ‌	1903	BOS	28	9	2.08	40	35	34	7	2	--	341.2	294	115	79	6	9	37	176	0.97	.232
5 CyC YoungYoung P 5 ‌ ‌ ‌	1904	BOS	26	16	1.97	43	41	40	10	1	--	380.0	327	104	83	6	4	29	200	0.94	.233
6 MelM ParnellParnell P 6 ‌ ‌ ‌	1949	BOS	25	7	2.77	39	33	27	4	2	--	295.1	258	102	91	8	5	134	122	1.33	.237
6 WesW FerrellFerrell P 6 ‌ ‌ ‌	1935	BOS	25	14	3.52	41	38	31	3	0	--	322.1	336	149	126	16	3	108	110	1.38	.267
6 DaveD FerrissFerriss P 6 ‌ ‌ ‌	1946	BOS	25	6	3.25	40	35	26	6	3	--	274.0	274	109	99	14	3	71	106	1.26	.259
9 RogerR ClemensClemens P 9 ‌ ‌ ‌	1986	BOS	24	4	2.48	33	33	10	1	0	0	254.0	179	77	70	21	4	67	238	0.97	.195
9 BabeB RuthRuth RF 9 ‌ ‌ ‌	1917	BOS	24	13	2.01	41	38	35	6	2	--	326.1	244	93	73	2	11	108	128	1.08	.211
11 EllisE KinderKinder P 11 ‌ ‌ ‌	1949	BOS	23	6	3.36	43	30	19	6	4	--	252.0	251	103	94	21	2	99	138	1.39	.260
11 BillB DinneenDinneen P 11 ‌ ‌ ‌	1904	BOS	23	14	2.20	37	37	37	5	0	--	335.2	283	115	82	8	2	63	153	1.03	.230
11 Sad SamS JonesJones P 11 ‌ ‌ ‌	1921	BOS	23	16	3.22	40	38	25	5	1	--	298.2	318	122	107	1	6	78	98	1.33	.279
11 JoeJ WoodWood P 11 ‌ ‌ ‌	1911	BOS	23	17	2.02	44	33	25	5	3	--	275.2	226	113	62	2	11	76	231	1.10	.223
11 BabeB RuthRuth RF 11 ‌ ‌ ‌	1916	BOS	23	12	1.75	44	41	23	9	1	--	323.2	230	83	63	0	8	118	170	1.08	.201
11 PedroP MartinezMartinez P 11 ‌ ‌ ‌	1999	BOS	23	4	2.07	31	29	5	1	0	0	213.1	160	56	49	9	9	37	313	0.92	.205
17 LuisL TiantTiant P 17 ‌ ‌ ‌	1974	BOS	22	13	2.92	38	38	25	7	0	0	311.1	281	106	101	21	4	82	176	1.17	.241
17 RickR PorcelloPorcello P 17 ‌ ‌ ‌	2016	BOS	22	4	3.15	33	33	3	0	0	0	223.0	193	85	78	23	13	32	189	1.01	.230
17 JesseJ TannehillTannehill P 17 ‌ ‌ ‌	1905	BOS	22	9	2.48	37	32	27	6	0	--	271.2	238	91	75	7	13	59	113	1.09	.237
17 JimJ LonborgLonborg P 17 ‌ ‌ ‌	1967	BOS	22	9	3.16	39	39	15	2	0	--	273.1	228	102	96	23	19	83	246	1.14	.225
17 CarlC MaysMays P 17 ‌ ‌ ‌	1917	BOS	22	9	1.74	35	33	27	2	0	--	289.0	230	81	56	1	14	74	91	1.05	.221
17 TexT HughsonHughson P 17 ‌ ‌ ‌	1942	BOS	22	6	2.59	38	30	22	4	4	--	281.0	258	92	81	10	1	75	113	1.19	.245
23 DerekD LoweLowe P 23 ‌ ‌ ‌	2002	BOS	21	8	2.58	32	32	1	1	0	0	219.2	166	65	63	12	12	48	127	0.97	.211
23 DaveD FerrissFerriss P 23 ‌ ‌ ‌	1945	BOS	21	10	2.96	35	31	26	5	2	--	264.2	263	101	87	6	7	85	94	1.31	.264
23 MelM ParnellParnell P 23 ‌ ‌ ‌	1953	BOS	21	8	3.06	38	34	12	5	0	--	241.0	217	98	82	15	4	116	136	1.38	.239

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