All-Time MLB Player Pitching Stat Leaders by Season

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PLAYER	YEAR	TEAM	W	L	ERA	G	GS	CG	SHO	SV	SVO	IP	H	R	ER	HR	HB	BB	SO	WHIP	AVG
51 MikeM MooreMoore P 51 ‌ ‌ ‌	1984	SEA	7	17	4.97	34	33	6	0	0	0	212.0	236	127	117	16	5	85	158	1.51	.282
51 JamieJ MoyerMoyer P 51 ‌ ‌ ‌	1998	SEA	15	9	3.53	34	34	4	3	0	0	234.1	234	99	92	23	10	42	158	1.18	.256
53 TaijuanT WalkerWalker P 53 ‌ ‌ ‌	2015	SEA	11	8	4.56	29	29	1	0	0	0	169.2	163	92	86	25	9	40	157	1.20	.252
54 GilG MecheMeche P 54 ‌ ‌ ‌	2006	SEA	11	8	4.48	32	32	1	0	0	0	186.2	183	106	93	24	8	84	156	1.43	.256
54 JamesJ PaxtonPaxton P 54 ‌ ‌ ‌	2017	SEA	12	5	2.98	24	24	0	0	0	0	136.0	113	47	45	9	3	37	156	1.10	.223
56 FloydF BannisterBannister P 56 ‌ ‌ ‌	1980	SEA	9	13	3.47	32	32	8	0	0	0	217.2	200	96	84	24	2	66	155	1.22	.239
56 MikeM MooreMoore P 56 ‌ ‌ ‌	1985	SEA	17	10	3.46	35	34	14	2	0	0	247.0	230	100	95	18	4	70	155	1.21	.247
58 HisashiH IwakumaIwakuma P 58 ‌ ‌ ‌	2014	SEA	15	9	3.52	28	28	0	0	0	0	179.0	167	70	70	20	2	21	154	1.05	.244
59 JoelJ PineiroPineiro P 59 ‌ ‌ ‌	2003	SEA	16	11	3.78	32	32	3	2	0	0	211.2	192	94	89	19	6	76	151	1.27	.241
60 GeorgeG KirbyKirby P 60 ‌ ‌ ‌	2026	SEA	9	11	4.33	30	30	1	0	0	0	174.2	197	89	84	22	3	47	148	1.40	.287
61 JamieJ MoyerMoyer P 61 ‌ ‌ ‌	2002	SEA	13	8	3.32	34	34	4	2	0	0	230.2	198	89	85	28	9	50	147	1.08	.230
61 MarcoM GonzalesGonzales P 61 ‌ ‌ ‌	2019	SEA	16	13	3.99	34	34	0	0	0	0	203.0	210	106	90	23	6	56	147	1.31	.264
61 HisashiH IwakumaIwakuma P 61 ‌ ‌ ‌	2016	SEA	16	12	4.12	33	33	0	0	0	0	199.0	218	95	91	28	5	46	147	1.33	.282
64 MikeM MooreMoore P 64 ‌ ‌ ‌	1986	SEA	11	13	4.30	38	37	11	1	1	1	266.0	279	141	127	28	12	94	146	1.40	.273
65 MarcoM GonzalesGonzales P 65 ‌ ‌ ‌	2018	SEA	13	9	4.00	29	29	1	0	0	0	166.2	172	76	74	17	6	32	145	1.22	.267
66 FreddyF GarciaGarcia P 66 ‌ ‌ ‌	2003	SEA	12	14	4.51	33	33	1	0	0	0	201.1	196	109	101	31	11	71	144	1.33	.255
67 RoenisR ElíasElías P 67 ‌ ‌ ‌	2014	SEA	10	12	3.85	29	29	1	1	0	0	163.2	151	77	70	16	11	64	143	1.31	.248
67 ErikE HansonHanson P 67 ‌ ‌ ‌	1991	SEA	8	8	3.81	27	27	2	1	0	0	174.2	182	82	74	16	2	56	143	1.36	.269
69 JasonJ VargasVargas P 69 ‌ ‌ ‌	2012	SEA	14	11	3.85	33	33	2	0	0	0	217.1	201	94	93	35	3	55	141	1.18	.245
70 ScottS BankheadBankhead P 70 ‌ ‌ ‌	1989	SEA	14	6	3.34	33	33	3	2	0	0	210.1	187	84	78	19	3	63	140	1.19	.239
70 JimJ BeattieBeattie P 70 ‌ ‌ ‌	1982	SEA	8	12	3.34	28	26	6	1	0	0	172.1	149	73	64	13	1	65	140	1.24	.233
72 GeorgeG KirbyKirby P 72 ‌ ‌ ‌	2025	SEA	10	8	4.21	23	23	0	0	0	0	126.0	121	60	59	15	7	29	137	1.19	.252
72 AaronA SeleSele P 72 ‌ ‌ ‌	2000	SEA	17	10	4.51	34	34	2	2	0	0	211.2	221	110	106	17	5	74	137	1.39	.271
72 JamieJ MoyerMoyer P 72 ‌ ‌ ‌	1999	SEA	14	8	3.87	32	32	4	0	0	0	228.0	235	108	98	23	9	48	137	1.24	.267
72 AríelA MirandaMiranda P 72 ‌ ‌ ‌	2017	SEA	8	7	5.12	31	29	1	0	0	0	160.0	140	93	91	37	5	63	137	1.27	.233

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