Jake Bird and Kirby Yates are tied for striking out the most hitters by a relief pitcher this season, with 24 strikeouts.

Interpreted as:

relief pitcher strikeout leaders this regular season

	NAME	SO	SEASON	TM	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	Jake Bird J. Bird	24	2025	COL	12	0	0		0	1.02	0	0	0	17.2	12	2	2	0	10	1	2	0	74	1	12.23	5.09	2.40	0.00	32.4	13.5	1.25	.308	1.02	6.11
2	Kirby Yates K. Yates	24	2025	LAD	15	2	1	.667	0	2.84	0	0	0	12.2	9	4	4	1	5	1	1	0	52	1	17.05	3.55	4.80	0.71	46.2	9.6	1.11	.381	2.84	6.39
3	Fernando Cruz F. Cruz	23	2025	NYY	13	0	0		0	1.80	0	0	2	15.0	8	3	5	1	6	0	3	0	58	1	13.80	3.60	3.83	0.60	39.7	10.3	0.93	.250	3.00	4.80
4	Mason Miller M. Miller	22	2025	ATH	11	0	0		0	1.64	0	0	9	11.0	6	2	2	1	2	0	10	0	40	2	18.00	1.64	11.00	0.82	55.0	5.0	0.73	.333	1.64	4.91
5	Alex Vesia A. Vesia	21	2025	LAD	15	0	0		0	3.29	0	0	1	13.2	11	5	5	3	6	1	1	0	55	2	13.83	3.95	3.50	1.98	38.2	10.9	1.24	.333	3.29	7.24
6	Joey Cantillo J. Cantillo	20	2025	CLE	11	0	0		0	2.35	0	0	1	15.1	13	4	9	2	8	0	5	0	67	2	11.74	4.70	2.50	1.17	29.9	11.9	1.37	.297	5.28	7.63
7	Edwin Díaz E. Díaz	20	2025	NYM	12	1	0	1.000	0	4.50	0	0	7	12.0	8	6	7	2	7	2	8	0	51	4	15.00	5.25	2.86	1.50	39.2	13.7	1.25	.300	5.25	6.00
8	Jason Adam J. Adam	20	2025	SDP	14	2	0	1.000	0	0.60	0	0	0	15.0	7	1	2	0	7	1	1	0	60	1	12.00	4.20	2.86	0.00	33.3	11.7	0.93	.219	1.20	4.20
9	Jeff Hoffman J. Hoffman	19	2025	TOR	12	2	0	1.000	0	1.35	0	0	6	13.1	8	2	2	1	1	0	11	1	48	0	12.83	0.68	19.00	0.68	39.6	2.1	0.68	.259	1.35	5.40
10	Brendon Little B. Little	19	2025	TOR	15	0	0		0	3.00	0	0	0	12.0	10	4	5	1	6	0	1	0	52	2	14.25	4.50	3.17	0.75	36.5	11.5	1.33	.346	3.75	7.50
11	Mitch Spence M. Spence	19	2025	ATH	10	0	0		0	4.19	0	0	1	19.1	22	9	15	1	7	1	2	0	88	1	8.84	3.26	2.71	0.47	21.6	8.0	1.50	.350	6.98	10.24
12	Josh Hader J. Hader	19	2025	HOU	12	1	0	1.000	0	0.64	0	0	8	14.0	7	1	1	0	3	0	11	0	52	0	12.21	1.93	6.33	0.00	36.5	5.8	0.71	.233	0.64	4.50
13	Griffin Jax G. Jax	19	2025	MIN	12	0	2	.000	0	8.18	0	0	0	11.0	16	10	11	2	3	0	1	0	53	0	15.55	2.45	6.33	1.64	35.8	5.7	1.73	.483	9.00	13.09
14	Garrett Whitlock G. Whitlock	19	2025	BOS	10	1	0	1.000	0	1.72	0	0	0	15.2	11	3	3	0	5	1	2	0	63	0	10.91	2.87	3.80	0.00	30.2	7.9	1.02	.289	1.72	6.32
15	Louis Varland L. Varland	19	2025	MIN	14	1	1	.500	0	2.57	0	0	0	14.0	12	4	5	2	4	0	2	0	57	0	12.21	2.57	4.75	1.29	33.3	7.0	1.14	.313	3.21	7.71
16	Yuki Matsui Y. Matsui	19	2025	SDP	11	0	1	.000	0	2.92	0	0	0	12.1	9	4	5	2	4	0	4	1	50	1	13.86	2.92	4.75	1.46	38.0	8.0	1.05	.280	3.65	6.57
17	Ben Casparius B. Casparius	19	2025	LAD	10	3	0	1.000	0	3.32	0	0	0	19.0	16	7	7	1	3	0	0	0	76	0	9.00	1.42	6.33	0.47	25.0	3.9	1.00	.283	3.32	7.58
18	Hayden Birdsong H. Birdsong	18	2025	SFG	7	1	0	1.000	0	1.13	0	0	0	16.0	11	2	2	1	6	1	1	0	64	0	10.13	3.38	3.00	0.56	28.1	9.4	1.06	.263	1.13	6.19
19	Ryan Zeferjahn R. Zeferjahn	18	2025	LAA	11	2	0	1.000	0	4.15	0	0	1	8.2	7	4	4	2	3	0	1	0	36	0	18.69	3.12	6.00	2.08	50.0	8.3	1.15	.385	4.15	7.27
20	Ronny Henriquez R. Henriquez	18	2025	MIA	11	1	0	1.000	0	2.57	0	0	0	14.0	12	4	5	2	9	1	1	1	64	0	11.57	5.79	2.00	1.29	28.1	14.1	1.50	.294	3.21	7.71
21	José Alvarado J. Alvarado	18	2025	PHI	13	3	0	1.000	0	1.98	0	0	5	13.2	13	3	3	1	2	0	7	0	56	1	11.85	1.32	9.00	0.66	32.1	3.6	1.10	.343	1.98	8.56
22	Mark Leiter Jr. M. Leiter Jr.	18	2025	NYY	14	2	2	.500	0	2.92	0	0	1	12.1	8	4	5	1	4	1	2	0	48	1	13.14	2.92	4.50	0.73	37.5	8.3	0.97	.292	3.65	5.84
23	Chris Martin C. Martin	18	2025	TEX	14	0	3	.000	0	2.03	0	0	1	13.1	10	3	7	1	3	0	2	2	54	1	12.15	2.03	6.00	0.68	33.3	5.6	0.98	.281	4.73	6.75
24	Andrés Muñoz A. Muñoz	18	2025	SEA	14	1	0	1.000	0	0.00	0	0	10	14.0	5	0	0	0	6	0	11	2	51	0	11.57	3.86	3.00	0.00	35.3	11.8	0.79	.185	0.00	3.21
25	Jack Dreyer J. Dreyer	18	2025	LAD	12	2	1	.667	0	3.52	0	0	0	15.1	7	6	6	0	10	0	2	0	63	0	10.57	5.87	1.80	0.00	28.6	15.9	1.11	.200	3.52	4.11