relief pitcher strikeout leaders since 2021

Since 2021, Josh Hader has fanned the most hitters by a relief pitcher, with 449 strikeouts.

	NAME	SO	G	W	L	W%	GS	ERA	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Josh Hader J. Hader	449	296	22	20	.524	0	2.71	0	0	164	288.2	172	87	98	34	116	12	242	3	1,158	17	14.00	3.62	3.87	1.06	38.8	10.0	1.00	.252	3.06	5.36
2	Bryan Abreu B. Abreu	432	306	16	12	.571	0	2.69	0	0	16	317.2	234	95	104	25	138	20	59	0	1,317	20	12.24	3.91	3.13	0.71	32.8	10.5	1.17	.298	2.95	6.63
3	Aroldis Chapman A. Chapman	426	300	26	20	.565	0	3.05	0	0	91	274.0	169	93	105	25	156	7	144	4	1,145	32	13.99	5.12	2.73	0.82	37.2	13.6	1.19	.271	3.45	5.55
4	Tanner Scott T. Scott	408	336	28	24	.538	0	3.48	0	0	77	323.2	255	125	143	28	161	19	147	11	1,379	16	11.35	4.48	2.53	0.78	29.6	11.7	1.29	.298	3.98	7.09
5	Devin Williams D. Williams	398	273	27	15	.643	0	2.59	0	0	86	257.0	148	74	87	17	122	12	124	4	1,044	13	13.94	4.27	3.26	0.60	38.1	11.7	1.05	.265	3.05	5.18
6	Raisel Iglesias R. Iglesias	390	326	24	23	.511	0	2.64	0	0	147	324.1	240	95	112	35	70	9	257	8	1,275	6	10.82	1.94	5.57	0.97	30.6	5.5	0.96	.266	3.11	6.66
7	Edwin Díaz E. Díaz	389	240	20	14	.588	0	2.43	0	0	112	244.2	150	66	73	17	82	22	188	2	966	17	14.31	3.02	4.74	0.63	40.3	8.5	0.95	.292	2.69	5.52
8	Scott Barlow S. Barlow	389	340	23	18	.561	0	3.37	0	0	56	339.0	267	127	140	30	157	20	130	10	1,432	16	10.33	4.17	2.48	0.80	27.2	11.0	1.25	.283	3.72	7.09
9	Phil Maton P. Maton	370	333	17	13	.567	0	3.60	0	0	9	322.1	259	129	144	32	127	39	60	7	1,358	3	10.33	3.55	2.91	0.89	27.2	9.4	1.20	.287	4.02	7.23
10	David Bednar D. Bednar	370	298	18	21	.462	0	2.94	0	0	111	300.0	235	98	114	25	103	9	211	13	1,237	11	11.10	3.09	3.59	0.75	29.9	8.3	1.13	.288	3.42	7.05
11	Alex Vesia A. Vesia	362	294	17	12	.586	0	2.68	0	0	13	269.0	175	80	98	31	118	12	44	13	1,101	9	12.11	3.95	3.07	1.04	32.9	10.7	1.09	.249	3.28	5.86
12	Craig Kimbrel C. Kimbrel	356	268	25	24	.510	0	3.52	0	0	92	253.0	176	99	117	29	117	17	179	5	1,054	22	12.66	4.16	3.04	1.03	33.8	11.1	1.16	.275	4.16	6.26
13	Camilo Doval C. Doval	354	297	26	19	.578	0	3.39	0	0	106	286.2	229	108	138	20	139	17	197	13	1,225	27	11.11	4.36	2.55	0.63	28.9	11.3	1.28	.301	4.33	7.19
14	Héctor Neris H. Neris	353	312	29	21	.580	0	3.58	0	0	35	294.0	229	117	135	36	124	16	106	6	1,230	19	10.81	3.80	2.85	1.10	28.7	10.1	1.20	.275	4.13	7.01
15	Griffin Jax G. Jax	349	283	20	26	.435	0	3.56	0	0	15	285.1	236	113	122	28	79	10	48	8	1,171	9	11.01	2.49	4.42	0.88	29.8	6.7	1.10	.295	3.85	7.44
16	Kenley Jansen K. Jansen	342	301	21	18	.538	0	2.97	0	0	163	291.1	196	96	105	29	114	8	233	12	1,178	8	10.57	3.52	3.00	0.90	29.0	9.7	1.06	.244	3.24	6.05
17	Emilio Pagán E. Pagán	342	298	19	20	.487	0	3.88	0	0	43	299.1	240	129	143	49	98	6	113	4	1,229	6	10.28	2.95	3.49	1.47	27.8	8.0	1.13	.260	4.30	7.22
18	Gregory Soto G. Soto	336	331	15	28	.349	0	3.96	0	0	54	297.2	260	131	159	23	147	29	136	7	1,312	33	10.16	4.44	2.29	0.70	25.6	11.2	1.37	.305	4.81	7.86
19	Ryan Helsley R. Helsley	335	261	28	17	.622	0	2.86	0	0	104	271.0	201	86	97	22	112	2	163	10	1,109	19	11.13	3.72	2.99	0.73	30.2	10.1	1.15	.281	3.22	6.68
20	Emmanuel Clase E. Clase	328	345	19	22	.463	0	1.84	0	0	181	336.2	247	69	103	13	64	8	290	10	1,323	18	8.77	1.71	5.13	0.35	24.8	4.8	0.92	.257	2.75	6.60
21	Andrés Muñoz A. Muñoz	324	241	11	22	.333	0	2.28	0	0	77	236.1	150	60	74	15	93	16	121	12	949	18	12.34	3.54	3.48	0.57	34.1	9.8	1.03	.269	2.82	5.71
22	Jeff Hoffman J. Hoffman	324	247	19	12	.613	0	3.25	0	0	44	257.2	195	93	103	35	100	14	107	5	1,074	19	11.32	3.49	3.24	1.22	30.2	9.3	1.14	.266	3.60	6.81
23	Taylor Rogers T. Rogers	324	287	16	22	.421	0	3.57	0	0	42	267.0	234	106	130	31	97	19	91	9	1,126	7	10.92	3.27	3.34	1.04	28.8	8.6	1.24	.310	4.38	7.89
24	Ryne Stanek R. Stanek	321	314	19	16	.543	0	3.76	0	0	13	285.0	228	119	135	33	146	9	69	7	1,223	20	10.14	4.61	2.20	1.04	26.2	11.9	1.31	.273	4.26	7.20
25	Jhoan Duran J. Duran	319	246	18	25	.419	0	2.44	0	0	90	254.1	202	69	89	19	75	17	151	14	1,036	18	11.29	2.65	4.25	0.67	30.8	7.2	1.09	.302	3.15	7.15