highest k / 9 by a pitcher this season; minimum 20 games

Devin Williams had the highest K/9 with 20+ games pitched in 2024, with 15.78 per nine innings.

	NAME	K/9	G	SEASON	TM	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	ERA-	FIP	FIP-	H/9	PRAA
1	Devin Williams D. Williams	15.78	22	2024	MIL	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	30	2.05	50	4.15	4.9
2	Fernando Cruz F. Cruz	14.72	69	2024	CIN	3	8	.273	3	4.86	109	0	0	0	66.2	54	36	36	9	35	1	6	2	288	8	4.72	3.11	1.21	37.8	12.2	1.34	.336	4.86	111	3.26	76	7.29	7.4
3	Michel Otanez M. Otanez	14.56	36	2024	OAK	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	89	2.72	69	7.15	4.8
4	Mason Miller M. Miller	14.40	55	2024	OAK	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	65	2.17	55	4.98	13.2
5	Aroldis Chapman A. Chapman	14.30	68	2024	PIT	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	90	3.03	75	6.42	7
6	Edwin Díaz E. Díaz	14.09	54	2024	NYM	6	4	.600	0	3.52	84	0	0	20	53.2	36	21	23	7	20	3	40	0	216	3	3.35	4.20	1.17	38.9	9.3	1.04	.284	3.86	89	3.01	75	6.04	6
7	Jeremiah Estrada J. Estrada	13.87	62	2024	SDP	6	3	.667	0	2.95	94	0	0	1	61.0	42	20	22	4	23	0	14	1	252	5	3.39	4.09	0.59	37.3	9.1	1.07	.290	3.25	74	2.06	51	6.20	13.4
8	Tony Santillan T. Santillan	13.80	29	2024	CIN	3	3	.500	1	3.00	46	0	0	0	30.0	21	10	11	4	9	0	2	0	122	1	2.70	5.11	1.20	37.7	7.4	1.00	.270	3.30	69	2.73	63	6.30	5
9	Mark Leiter Jr. M. Leiter Jr.	13.34	60	2024	TOT	4	5	.444	0	4.50	86	0	0	0	58.0	55	29	34	8	22	3	7	1	256	5	3.41	3.91	1.24	33.6	8.6	1.33	.343	5.28	112	3.28	80	8.53	5.3
10	Josh Hader J. Hader	13.31	71	2024	HOU	8	8	.500	0	3.80	105	0	0	34	71.0	43	30	33	12	25	1	62	0	278	4	3.17	4.20	1.52	37.8	9.0	0.96	.230	4.18	96	3.50	86	5.45	4.3
11	Reed Garrett R. Garrett	13.03	53	2024	NYM	8	5	.615	0	3.77	83	0	0	4	57.1	50	24	28	6	30	2	13	1	247	3	4.71	2.77	0.94	33.6	12.1	1.40	.349	4.40	95	3.30	82	7.85	4.6
12	Ryan Burr R. Burr	12.95	34	2024	TOR	0	2	.000	4	4.13	47	0	0	0	32.2	29	15	16	4	12	1	5	0	140	0	3.31	3.92	1.10	33.6	8.6	1.26	.329	4.41	104	3.07	75	7.99	3.7
13	Garrett Crochet G. Crochet	12.88	32	2024	CWS	6	12	.333	32	3.58	209	0	0	0	146.0	123	58	61	18	33	5	0	0	595	3	2.03	6.33	1.11	35.1	5.5	1.07	.318	3.76	88	2.68	64	7.58	24.3
14	Andrew Nardi A. Nardi	12.68	59	2024	MIA	3	2	.600	0	5.07	70	0	0	0	49.2	44	28	29	7	18	1	4	1	210	1	3.26	3.89	1.27	33.3	8.6	1.25	.325	5.26	120	3.32	82	7.97	4.1
15	Craig Kimbrel C. Kimbrel	12.55	57	2024	BAL	7	5	.583	0	5.33	73	0	0	23	52.1	40	31	35	7	31	5	39	1	232	3	5.33	2.35	1.20	31.5	13.4	1.36	.284	6.02	136	4.17	104	6.88	-1
16	Jake Cousins J. Cousins	12.55	37	2024	NYY	2	1	.667	0	2.37	53	0	0	1	38.0	20	10	14	5	20	5	6	1	155	4	4.74	2.65	1.18	34.2	12.9	1.05	.208	3.32	59	4.05	96	4.74	0.7
17	Gabe Speier G. Speier	12.55	29	2024	SEA	0	2	.000	0	5.70	33	0	0	0	23.2	19	15	15	2	14	2	3	1	104	1	5.32	2.36	0.76	31.7	13.5	1.39	.321	5.70	151	3.50	89	7.23	1.1
18	Blake Snell B. Snell	12.55	20	2024	SFG	5	3	.625	20	3.12	145	1	1	0	104.0	65	36	38	6	44	1	0	0	418	8	3.81	3.30	0.52	34.7	10.5	1.05	.266	3.29	78	2.42	62	5.63	17.6
19	Kirby Yates K. Yates	12.41	61	2024	TEX	7	2	.778	0	1.17	85	0	0	32	61.2	23	8	10	3	28	2	50	5	237	1	4.09	3.04	0.44	35.9	11.8	0.83	.168	1.46	29	2.49	60	3.36	11.3
20	David Robertson D. Robertson	12.38	68	2024	TEX	3	4	.429	0	3.00	99	0	0	2	72.0	53	24	25	5	27	5	8	4	296	8	3.38	3.67	0.63	33.4	9.1	1.11	.300	3.13	75	2.65	63	6.63	12
21	Dedniel Núñez D. Núñez	12.34	25	2024	NYM	2	0	1.000	0	2.31	48	0	0	1	35.0	24	9	11	3	8	0	3	1	135	1	2.06	6.00	0.77	35.6	5.9	0.91	.276	2.83	58	2.22	55	6.17	7.1
22	Edwin Uceta E. Uceta	12.31	30	2024	TBR	2	0	1.000	0	1.51	57	0	0	5	41.2	26	7	8	2	8	1	10	0	159	0	1.73	7.13	0.43	35.8	5.0	0.82	.264	1.73	39	1.70	43	5.62	10.8
23	Cade Smith C. Smith	12.31	74	2024	CLE	6	1	.857	0	1.91	103	0	0	1	75.1	51	16	16	1	17	3	2	0	289	0	2.03	6.06	0.12	35.6	5.9	0.90	.303	1.91	48	1.39	34	6.09	22.4
24	Hans Crouse H. Crouse	12.08	25	2024	LAA	4	3	.571	0	2.84	34	0	0	0	25.1	14	8	10	2	17	2	5	1	107	1	6.04	2.00	0.71	31.8	15.9	1.22	.231	3.55	69	3.75	89	4.97	1.3
25	Jeff Hoffman J. Hoffman	12.08	68	2024	PHI	3	3	.500	0	2.17	89	0	0	10	66.1	48	16	20	6	16	3	21	1	265	5	2.17	5.56	0.81	33.6	6.0	0.96	.278	2.71	53	2.51	61	6.51	11.8