All-Time MLB Player Pitching Stat Leaders by Season

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PLAYER	YEAR	TEAM	W	L	ERA	G	GS	CG	SHO	IP	H	R	ER	HR	HB	BB	SO	WHIP	AVG
1 UbaldoU JiménezJiménez P 1 ‌ ‌ ‌	2010	COL	19	8	2.88	33	33	4	2	221.2	164	73	71	10	9	92	214	1.15	.209
2 PedroP AstacioAstacio P 2 ‌ ‌ ‌	1999	COL	17	11	5.04	34	34	7	0	232.0	258	140	130	38	11	75	210	1.44	.285
2 KevinK RitzRitz P 2 ‌ ‌ ‌	1996	COL	17	11	5.28	35	35	2	0	213.0	236	135	125	24	12	105	105	1.60	.282
2 KyleK FreelandFreeland P 2 ‌ ‌ ‌	2018	COL	17	7	2.85	33	33	0	0	202.1	182	64	64	17	6	70	173	1.25	.240
2 JeffJ FrancisFrancis P 2 ‌ ‌ ‌	2007	COL	17	9	4.22	34	34	1	1	215.1	234	103	101	25	7	63	165	1.38	.278
6 JasonJ JenningsJennings P 6 ‌ ‌ ‌	2002	COL	16	8	4.52	32	32	0	0	185.1	201	102	93	26	8	70	127	1.46	.280
6 JorgeJ De La RosaDe La Rosa P 6 ‌ ‌ ‌	2013	COL	16	6	3.49	30	30	0	0	167.2	170	70	65	11	5	62	112	1.38	.269
6 JorgeJ De La RosaDe La Rosa P 6 ‌ ‌ ‌	2009	COL	16	9	4.38	33	32	0	0	185.0	172	95	90	20	9	83	193	1.38	.249
6 AaronA CookCook P 6 ‌ ‌ ‌	2008	COL	16	9	3.96	32	32	2	1	211.1	236	102	93	13	4	48	96	1.34	.287
10 ShawnS EstesEstes P 10 ‌ ‌ ‌	2004	COL	15	8	5.84	34	34	1	0	202.0	223	133	131	30	11	105	117	1.62	.291
10 UbaldoU JiménezJiménez P 10 ‌ ‌ ‌	2009	COL	15	12	3.47	33	33	1	0	218.0	183	87	84	13	10	85	198	1.23	.229
10 JasonJ MarquisMarquis P 10 ‌ ‌ ‌	2009	COL	15	13	4.04	33	33	2	1	216.0	218	104	97	15	4	80	115	1.38	.267
13 MikeM HamptonHampton P 13 ‌ ‌ ‌	2001	COL	14	13	5.41	32	32	2	1	203.0	236	138	122	31	8	85	122	1.58	.296
13 JeffJ FrancisFrancis P 13 ‌ ‌ ‌	2005	COL	14	12	5.68	33	33	0	0	183.2	228	119	116	26	8	70	128	1.62	.311
13 JhoulysJ ChacínChacín P 13 ‌ ‌ ‌	2013	COL	14	10	3.47	31	31	0	0	197.1	188	82	76	11	3	61	126	1.26	.253
13 GermánG MárquezMárquez P 13 ‌ ‌ ‌	2018	COL	14	11	3.77	33	33	0	0	196.0	179	90	82	24	8	57	230	1.20	.241
13 ChadC BettisBettis P 13 ‌ ‌ ‌	2016	COL	14	8	4.79	32	32	1	1	186.0	204	107	99	22	7	59	138	1.41	.278
13 JorgeJ De La RosaDe La Rosa P 13 ‌ ‌ ‌	2014	COL	14	11	4.10	32	32	0	0	184.1	161	90	84	21	9	67	139	1.24	.238
19 DarrenD OliverOliver P 19 ‌ ‌ ‌	2003	COL	13	11	5.04	33	32	1	0	180.1	201	108	101	21	8	61	88	1.45	.284
19 DarrylD KileKile P 19 ‌ ‌ ‌	1998	COL	13	17	5.20	36	35	4	1	230.1	257	141	133	28	7	96	158	1.53	.287
19 JeffJ FrancisFrancis P 19 ‌ ‌ ‌	2006	COL	13	11	4.16	32	32	1	1	199.0	187	101	92	18	13	69	117	1.29	.250
19 PedroP AstacioAstacio P 19 ‌ ‌ ‌	1998	COL	13	14	6.23	35	34	0	0	209.1	245	160	145	39	17	74	170	1.52	.294
23 JasonJ JenningsJennings P 23 ‌ ‌ ‌	2003	COL	12	13	5.11	32	32	1	0	181.1	212	115	103	20	5	88	119	1.65	.299
23 TylerT ChatwoodChatwood P 23 ‌ ‌ ‌	2016	COL	12	9	3.87	27	27	0	0	158.0	147	75	68	15	5	70	117	1.37	.250
23 JonJ GrayGray P 23 ‌ ‌ ‌	2018	COL	12	9	5.12	31	31	0	0	172.1	180	102	98	27	6	52	183	1.35	.266

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