All-Time MLB Player Pitching Stat Leaders by Season

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PLAYER	YEAR	TEAM	W	L	ERA	G	GS	SV	SVO	IP	H	R	ER	HR	HB	BB	SO	WHIP	AVG
1 MikeM MarshallMarshall P 1 ‌ ‌ ‌	1974	LA	15	12	2.42	106	0	21	21	208.1	191	66	56	9	1	56	143	1.19	.247
2 SalomonS TorresTorres P 2 ‌ ‌ ‌	2006	PIT	3	6	3.28	94	0	12	15	93.1	98	42	34	6	6	38	72	1.46	.274
2 KentK TekulveTekulve P 2 ‌ ‌ ‌	1979	PIT	10	8	2.75	94	0	31	31	134.1	109	46	41	5	2	49	75	1.18	.222
4 MikeM MarshallMarshall P 4 ‌ ‌ ‌	1973	MON	14	11	2.66	92	0	31	43	179.0	163	62	53	10	4	75	124	1.33	.252
4 PedroP FelicianoFeliciano P 4 ‌ ‌ ‌	2010	NYM	3	6	3.30	92	0	0	1	62.2	66	24	23	1	6	30	56	1.53	.273
6 KentK TekulveTekulve P 6 ‌ ‌ ‌	1978	PIT	8	7	2.33	91	0	31	31	135.1	115	44	35	5	2	55	77	1.26	.228
7 KentK TekulveTekulve P 7 ‌ ‌ ‌	1987	PHI	6	4	3.09	90	0	3	3	105.0	96	38	36	8	0	29	60	1.19	.243
7 MikeM MarshallMarshall P 7 ‌ ‌ ‌	1979	MIN	10	15	2.65	90	1	32	32	142.2	132	47	42	8	4	48	81	1.26	.254
7 WayneW GrangerGranger P 7 ‌ ‌ ‌	1969	CIN	9	6	2.80	90	0	27	38	144.2	143	64	45	10	7	40	68	1.26	.262
10 MarkM EichhornEichhorn P 10 ‌ ‌ ‌	1987	TOR	10	6	3.17	89	0	4	4	127.2	110	47	45	14	6	52	96	1.27	.234
10 PaulP QuantrillQuantrill P 10 ‌ ‌ ‌	2003	LA	2	5	1.75	89	0	1	5	77.1	61	18	15	2	3	15	44	0.98	.227
10 SteveS KlineKline P 10 ‌ ‌ ‌	2001	STL	3	3	1.80	89	0	9	10	75.0	53	16	15	3	4	29	54	1.09	.203
10 JulianJ TavarezTavarez P 10 ‌ ‌ ‌	1997	SF	6	4	3.87	89	0	0	0	88.1	91	43	38	6	4	34	38	1.42	.277
10 JimJ BrowerBrower P 10 ‌ ‌ ‌	2004	SF	7	7	3.29	89	0	1	5	93.0	90	42	34	6	4	36	63	1.35	.259
15 SeanS RunyanRunyan P 15 ‌ ‌ ‌	1998	DET	1	4	3.58	88	0	1	1	50.1	47	23	20	7	2	28	39	1.49	.255
15 WilburW WoodWood P 15 ‌ ‌ ‌	1968	CWS	13	12	1.87	88	2	16	--	159.0	127	39	33	8	3	33	74	1.01	.222
15 JonJ RauchRauch P 15 ‌ ‌ ‌	2007	WSH	8	4	3.61	88	0	4	10	87.1	75	37	35	7	0	21	71	1.10	.230
15 PedroP FelicianoFeliciano P 15 ‌ ‌ ‌	2009	NYM	6	4	3.19	88	0	0	2	59.1	51	26	21	7	0	18	59	1.16	.231
15 MikeM MyersMyers P 15 ‌ ‌ ‌	1997	DET	0	4	5.70	88	0	2	2	53.2	58	36	34	12	2	25	50	1.55	.274
20 RobR MurphyMurphy P 20 ‌ ‌ ‌	1987	CIN	8	5	3.04	87	0	3	3	100.2	91	37	34	7	0	32	99	1.22	.239
20 PeterP MoylanMoylan P 20 ‌ ‌ ‌	2009	ATL	6	2	2.84	87	0	0	5	73.0	65	29	23	0	2	35	61	1.37	.245
22 RayR KingKing P 22 ‌ ‌ ‌	2004	STL	5	2	2.61	86	0	0	1	62.0	43	19	18	1	3	24	40	1.08	.197
22 ScottS EyreEyre P 22 ‌ ‌ ‌	2005	SF	2	2	2.63	86	0	0	2	68.1	48	21	20	3	4	26	65	1.08	.200
22 PaulP QuantrillQuantrill P 22 ‌ ‌ ‌	2004	NYY	7	3	4.72	86	0	1	5	95.1	124	54	50	5	4	20	37	1.51	.316
22 PaulP QuantrillQuantrill P 22 ‌ ‌ ‌	2002	LA	5	4	2.70	86	0	1	3	76.2	80	27	23	1	3	25	53	1.37	.267

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