Will Warren, Evan Justice and Clayton Andrews were tied for the best K/9 by a relief pitcher in 2024, with 27.00 per nine innings.

	NAME	K/9	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Will Warren W. Warren	27.00	2024	NYY	1	0	0		0	27.00	3	0	0	0	1.0	2	3	3	1	1	0	1	0	6	0	9.00	3.00	9.00	50.0	16.7	3.00	1.000	27.00	18.00
2	Evan Justice E. Justice	27.00	2024	COL	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	1	0	1	0	2	0	27.00	1.00	0.00	50.0	50.0	3.00		0.00	0.00
3	Clayton Andrews C. Andrews	27.00	2024	NYY	1	0	0		0	27.00	1	0	0	0	0.1	1	1	1	1	0	1	0	0	3	0	0.00		27.00	33.3	0.0	3.00		27.00	27.00
4	Ronel Blanco R. Blanco	22.50	2024	HOU	1	0	0		0	0.00	5	0	0	0	2.0	1	0	0	0	1	0	1	0	8	0	4.50	5.00	0.00	62.5	12.5	1.00	.500	0.00	4.50
5	Andrew Wantz A. Wantz	20.25	2024	LAA	1	0	0		0	6.75	3	0	0	0	1.1	1	1	1	1	1	0	0	0	6	0	6.75	3.00	6.75	50.0	16.7	1.50	.000	6.75	6.75
6	Riley Pint R. Pint	18.90	2024	COL	4	0	0		0	21.60	7	0	0	0	3.1	5	8	8	2	5	2	1	0	22	4	13.50	1.40	5.40	31.8	22.7	3.00	.500	21.60	13.50
7	Amir Garrett A. Garrett	18.56	2024	LAA	6	0	0		0	5.06	11	0	0	0	5.1	4	3	3	1	5	0	1	0	24	0	8.44	2.20	1.69	45.8	20.8	1.69	.429	5.06	6.75
8	Reynaldo López R. López	18.00	2024	ATL	1	0	0		0	0.00	2	0	0	0	1.0	0	0	0	0	0	0	0	0	3	0	0.00		0.00	66.7	0.0	0.00	.000	0.00	0.00
9	Zach Logue Z. Logue	18.00	2024	LAD	2	0	0		0	18.00	4	0	0	0	2.0	6	4	4	1	0	0	1	0	12	0	0.00		4.50	33.3	0.0	3.00	.714	18.00	27.00
10	Matt Krook M. Krook	18.00	2024	BAL	1	0	0		0	18.00	2	0	0	0	1.0	1	2	3	1	1	0	0	0	6	0	9.00	2.00	9.00	33.3	16.7	2.00	.000	27.00	9.00
11	Sean Reynolds S. Reynolds	17.18	2024	SDP	9	0	0		0	0.82	21	0	0	0	11.0	10	1	1	0	5	1	3	0	49	0	4.09	4.20	0.00	42.9	10.2	1.36	.455	0.82	8.18
12	Mason Montgomery M. Montgomery	15.83	2024	TBR	9	0	0		0	1.86	17	0	0	0	9.2	6	2	2	0	5	0	1	0	37	0	4.66	3.40	0.00	45.9	13.5	1.14	.400	1.86	5.59
13	Devin Williams D. Williams	15.78	2024	MIL	22	1	0	1.000	0	1.25	38	0	0	14	21.2	10	3	3	1	11	2	19	1	88	1	4.57	3.45	0.42	43.2	12.5	0.97	.250	1.25	4.15
14	Tyler Phillips T. Phillips	15.75	2024	PHI	1	0	0		0	2.25	7	0	0	0	4.0	3	1	1	1	0	0	1	0	15	0	0.00		2.25	46.7	0.0	0.75	.286	2.25	6.75
15	Spencer Arrighetti S. Arrighetti	15.43	2024	HOU	1	0	0		0	0.00	4	0	0	0	2.1	0	0	0	0	3	1	0	0	11	0	11.57	1.33	0.00	36.4	27.3	1.29	.000	0.00	0.00
16	Brent Headrick B. Headrick	15.00	2024	MIN	1	0	0		0	3.00	5	0	0	0	3.0	2	1	1	1	2	0	0	0	13	0	6.00	2.50	3.00	38.5	15.4	1.33	.200	3.00	6.00
17	Nick Pivetta N. Pivetta	15.00	2024	BOS	1	0	1	.000	0	3.00	10	0	0	0	6.0	4	2	3	1	0	0	0	0	23	0	0.00		1.50	43.5	0.0	0.67	.250	4.50	6.00
18	Michael Soroka M. Soroka	15.00	2024	CWS	16	0	5	.000	0	2.75	60	0	0	0	36.0	24	11	16	3	20	2	7	1	154	2	5.00	3.00	0.75	39.0	13.0	1.22	.304	4.00	6.00
19	Zack Thompson Z. Thompson	14.85	2024	STL	3	0	0		0	13.50	11	0	0	0	6.2	13	10	10	2	2	1	0	0	36	0	2.70	5.50	2.70	30.6	5.6	2.25	.550	13.50	17.55
20	Michel Otañez M. Otañez	14.56	2024	OAK	36	1	0	1.000	0	3.44	55	0	0	1	34.0	27	13	15	2	20	3	6	0	151	6	5.29	2.75	0.53	36.4	13.2	1.38	.352	3.97	7.15
21	David Festa D. Festa	14.54	2024	MIN	1	0	0		0	2.08	7	0	0	0	4.1	4	1	1	1	2	0	0	0	19	1	4.15	3.50	2.08	36.8	10.5	1.38	.333	2.08	8.31
22	Mason Miller M. Miller	14.40	2024	OAK	55	2	2	.500	0	2.49	104	0	0	28	65.0	36	18	23	6	21	1	44	3	249	2	2.91	4.95	0.83	41.8	8.4	0.88	.256	3.18	4.98
23	Aroldis Chapman A. Chapman	14.30	2024	PIT	68	5	5	.500	0	3.79	98	0	0	14	61.2	44	26	31	5	39	2	18	0	265	4	5.69	2.51	0.73	37.0	14.7	1.35	.322	4.52	6.42
24	Tony Santillan T. Santillan	14.28	2024	CIN	28	3	3	.500	0	3.10	46	0	0	0	29.0	21	10	11	4	8	0	2	0	118	1	2.48	5.75	1.24	39.0	6.8	1.00	.283	3.41	6.52
25	Fernando Cruz F. Cruz	14.09	2024	CIN	66	3	8	.273	0	4.90	95	0	0	0	60.2	49	33	33	7	34	1	6	2	263	8	5.04	2.79	1.04	36.1	12.9	1.37	.333	4.90	7.27