Fernando Cruz and Jake Bird are tied for striking out the most hitters by a relief pitcher this season, with 29 strikeouts.

Interpreted as:

most strikeouts by a relief pitcher 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	Fernando Cruz F. Cruz	29	2025	NYY	17	0	0		0	1.37	0	0	2	19.2	10	3	5	1	7	0	3	0	74	1	13.27	3.20	4.14	0.46	39.2	9.5	0.86	.243	2.29	4.58
2	Jake Bird J. Bird	29	2025	COL	14	0	1	.000	0	2.21	0	0	0	20.1	15	5	5	1	13	1	2	0	88	2	12.84	5.75	2.23	0.44	33.0	14.8	1.38	.318	2.21	6.64
3	Kirby Yates K. Yates	28	2025	LAD	19	3	1	.750	0	2.76	0	0	1	16.1	12	5	6	2	5	1	3	0	66	1	15.43	2.76	5.60	1.10	42.4	7.6	1.04	.333	3.31	6.61
4	Alex Vesia A. Vesia	27	2025	LAD	19	0	0		0	2.60	0	0	1	17.1	12	5	5	3	7	1	1	0	68	2	14.02	3.63	3.86	1.56	39.7	10.3	1.10	.300	2.60	6.23
5	Mason Miller M. Miller	26	2025	ATH	14	0	1	.000	0	4.61	0	0	10	13.2	8	7	7	2	6	1	12	0	55	3	17.12	3.95	4.33	1.32	47.3	10.9	1.02	.300	4.61	5.27
6	Jason Adam J. Adam	25	2025	SDP	18	3	0	1.000	0	0.95	0	0	0	19.0	10	2	3	1	8	1	2	0	76	1	11.84	3.79	3.13	0.47	32.9	10.5	0.95	.220	1.42	4.74
7	Jeremiah Estrada J. Estrada	25	2025	SDP	18	1	1	.500	0	2.04	0	0	0	17.2	12	4	4	2	4	0	1	0	68	1	12.74	2.04	6.25	1.02	36.8	5.9	0.91	.270	2.04	6.11
8	Griffin Jax G. Jax	24	2025	MIN	16	0	2	.000	0	6.75	0	0	0	14.2	18	11	12	3	3	0	1	0	66	0	14.73	1.84	8.00	1.84	36.4	4.5	1.43	.417	7.36	11.05
9	Cade Smith C. Smith	24	2025	CLE	18	1	1	.500	0	3.12	0	0	3	17.1	14	6	8	0	7	1	3	1	74	0	12.46	3.63	3.43	0.00	32.4	9.5	1.21	.333	4.15	7.27
10	Ben Casparius B. Casparius	24	2025	LAD	11	4	0	1.000	0	3.13	0	0	0	23.0	21	8	8	1	5	0	0	0	95	0	9.39	1.96	4.80	0.39	25.3	5.3	1.13	.308	3.13	8.22
11	Jeff Hoffman J. Hoffman	23	2025	TOR	14	3	0	1.000	0	1.10	0	0	7	16.1	9	2	2	1	2	0	13	1	59	0	12.67	1.10	11.50	0.55	39.0	3.4	0.67	.242	1.10	4.96
12	Brendon Little B. Little	23	2025	TOR	18	1	0	1.000	0	2.30	0	0	0	15.2	12	4	5	1	9	0	2	0	68	2	13.21	5.17	2.56	0.57	33.8	13.2	1.34	.314	2.87	6.89
13	Andrés Muñoz A. Muñoz	23	2025	SEA	17	1	0	1.000	0	0.00	0	0	12	17.0	6	0	1	0	8	0	13	2	64	0	12.18	4.24	2.88	0.00	35.9	12.5	0.82	.182	0.53	3.18
14	Joey Cantillo J. Cantillo	22	2025	CLE	14	0	0		0	2.08	0	0	1	17.1	14	4	9	2	9	0	7	0	75	2	11.42	4.67	2.44	1.04	29.3	12.0	1.33	.286	4.67	7.27
15	Edwin Díaz E. Díaz	22	2025	NYM	14	1	0	1.000	0	3.86	0	0	8	14.0	10	6	7	2	7	2	10	0	59	4	14.14	4.50	3.14	1.29	37.3	11.9	1.21	.308	4.50	6.43
16	José Alvarado J. Alvarado	22	2025	PHI	16	3	1	.750	0	3.18	0	0	6	17.0	18	6	7	1	3	0	8	0	73	2	11.65	1.59	7.33	0.53	30.1	4.1	1.24	.362	3.71	9.53
17	Garrett Whitlock G. Whitlock	22	2025	BOS	12	1	0	1.000	0	3.66	0	0	0	19.2	17	8	8	1	6	1	2	0	82	0	10.07	2.75	3.67	0.46	26.8	7.3	1.17	.308	3.66	7.78
18	Hunter Gaddis H. Gaddis	22	2025	CLE	16	0	0		0	0.66	0	0	0	13.2	12	1	1	1	7	0	1	1	59	1	14.49	4.61	3.14	0.66	37.3	11.9	1.39	.379	0.66	7.90
19	Mark Leiter Jr. M. Leiter Jr.	21	2025	NYY	16	2	3	.400	0	3.95	0	0	1	13.2	12	6	7	1	5	1	3	0	58	1	13.83	3.29	4.20	0.66	36.2	8.6	1.24	.367	4.61	7.90
20	Louis Varland L. Varland	21	2025	MIN	18	2	3	.400	0	3.86	0	0	0	16.1	15	7	8	3	4	0	3	0	67	0	11.57	2.20	5.25	1.65	31.3	6.0	1.16	.308	4.41	8.27
21	Grant Anderson G. Anderson	20	2025	MIL	16	1	1	.500	0	2.70	0	0	0	20.0	17	6	8	1	9	0	6	1	86	0	9.00	4.05	2.22	0.45	23.3	10.5	1.30	.286	3.60	7.65
22	Ryan Zeferjahn R. Zeferjahn	20	2025	LAA	13	2	0	1.000	0	4.22	0	0	1	10.2	8	5	5	2	3	0	1	0	43	0	16.88	2.53	6.67	1.69	46.5	7.0	1.03	.333	4.22	6.75
23	Ronny Henriquez R. Henriquez	20	2025	MIA	13	1	1	.500	0	2.87	0	0	0	15.2	15	5	8	2	10	2	2	1	75	0	11.49	5.74	2.00	1.15	26.7	13.3	1.60	.317	4.60	8.62
24	Yimi García Y. García	20	2025	TOR	15	0	1	.000	0	2.45	0	0	2	14.2	8	4	5	1	6	1	2	1	59	1	12.27	3.68	3.33	0.61	33.9	10.2	0.95	.226	3.07	4.91
25	Mitch Spence M. Spence	20	2025	ATH	13	1	0	1.000	0	3.68	0	0	1	22.0	24	9	15	1	8	1	2	0	99	1	8.18	3.27	2.50	0.41	20.2	8.1	1.45	.333	6.14	9.82