All-Time MLB Player Pitching Stat Leaders by Season

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PLAYER	YEAR	TEAM	W	L	ERA	G	SV	SVO	IP	H	R	ER	HR	HB	BB	SO	WHIP	AVG
1 RyanR HelsleyHelsley P 1 ‌ ‌ ‌	2024	STL	7	4	2.04	65	49	53	66.1	50	19	15	3	0	23	79	1.10	.210
2 TrevorT RosenthalRosenthal P 2 ‌ ‌ ‌	2015	STL	2	4	2.10	68	48	51	68.2	62	16	16	3	1	25	83	1.27	.238
3 LeeL SmithSmith P 3 ‌ ‌ ‌	1991	STL	6	3	2.34	67	47	47	73.0	70	19	19	5	0	13	67	1.14	.249
3 JasonJ IsringhausenIsringhausen P 3 ‌ ‌ ‌	2004	STL	4	2	2.87	74	47	54	75.1	55	27	24	5	2	23	71	1.04	.199
5 BruceB SutterSutter P 5 ‌ ‌ ‌	1984	STL	5	7	1.54	71	45	45	122.2	109	26	21	9	1	23	77	1.08	.245
5 TrevorT RosenthalRosenthal P 5 ‌ ‌ ‌	2014	STL	2	6	3.20	72	45	51	70.1	57	25	25	2	4	42	87	1.41	.223
7 LeeL SmithSmith P 7 ‌ ‌ ‌	1992	STL	4	9	3.12	70	43	43	75.0	62	28	26	4	0	26	60	1.17	.221
7 LeeL SmithSmith P 7 ‌ ‌ ‌	1993	STL	2	4	4.50	55	43	43	50.0	49	25	25	11	0	9	49	1.16	.251
9 JasonJ MotteMotte P 9 ‌ ‌ ‌	2012	STL	4	5	2.75	67	42	49	72.0	49	23	22	9	2	17	86	0.92	.191
10 JasonJ IsringhausenIsringhausen P 10 ‌ ‌ ‌	2005	STL	1	2	2.14	63	39	43	59.0	43	14	14	4	1	27	51	1.19	.202
11 RyanR FranklinFranklin P 11 ‌ ‌ ‌	2009	STL	4	3	1.92	62	38	43	61.0	49	13	13	2	1	24	44	1.20	.220
12 EdwardE MujicaMujica P 12 ‌ ‌ ‌	2013	STL	2	1	2.78	65	37	41	64.2	60	20	20	9	1	5	46	1.01	.245
13 ToddT WorrellWorrell P 13 ‌ ‌ ‌	1986	STL	9	10	2.08	74	36	36	103.2	86	29	24	9	1	41	73	1.23	.229
13 BruceB SutterSutter P 13 ‌ ‌ ‌	1982	STL	9	8	2.90	70	36	36	102.1	88	38	33	8	3	34	61	1.19	.235
13 TomT HenkeHenke P 13 ‌ ‌ ‌	1995	STL	1	1	1.82	52	36	36	54.1	42	11	11	2	0	18	48	1.10	.209
13 DennisD EckersleyEckersley P 13 ‌ ‌ ‌	1997	STL	1	5	3.91	57	36	36	53.0	49	24	23	9	2	8	45	1.08	.238
17 JasonJ IsringhausenIsringhausen P 17 ‌ ‌ ‌	2006	STL	4	8	3.55	59	33	43	58.1	47	25	23	10	3	38	52	1.46	.222
17 ToddT WorrellWorrell P 17 ‌ ‌ ‌	1987	STL	8	6	2.66	75	33	33	94.2	86	29	28	8	0	34	92	1.27	.242
17 RileyR O'BrienO'Brien P 17 ‌ ‌ ‌	2026	STL	3	5	3.93	54	33	38	52.2	41	25	23	3	10	23	53	1.22	.216
20 JasonJ IsringhausenIsringhausen P 20 ‌ ‌ ‌	2002	STL	3	2	2.48	60	32	37	65.1	46	22	18	0	1	18	68	0.98	.199
20 JasonJ IsringhausenIsringhausen P 20 ‌ ‌ ‌	2007	STL	4	0	2.48	63	32	34	65.1	42	21	18	4	2	28	54	1.07	.179
20 ToddT WorrellWorrell P 20 ‌ ‌ ‌	1988	STL	5	9	3.00	68	32	32	90.0	69	32	30	7	1	34	78	1.14	.214
23 DennisD EckersleyEckersley P 23 ‌ ‌ ‌	1996	STL	0	6	3.30	63	30	30	60.0	65	26	22	8	4	6	49	1.18	.274
24 DaveD VeresVeres P 24 ‌ ‌ ‌	2000	STL	3	5	2.85	71	29	36	75.2	65	26	24	6	6	25	67	1.19	.239
24 AlexA ReyesReyes P 24 ‌ ‌ ‌	2021	STL	10	8	3.24	69	29	34	72.1	46	32	26	9	2	52	95	1.35	.176

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