Dylan Cease has the highest K/9 this season, with 11.76 per nine innings.

Interpreted as:

Highest k/9 with a minimum of 1 IP per team game by a player in an MLB seasoj this regular season

	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	ERA-	FIP	FIP-	H/9	PRAA
1	Dylan Cease D. Cease	11.76	2025	SDP	24	5	10	.333	24	4.52	169	0	0	0	129.1	116	65	69	17	50	3	0	2	551	2	3.48	3.38	1.18	30.7	9.1	1.28	.317	4.80	112	3.43	85	8.07	9.1
2	Zack Wheeler Z. Wheeler	11.73	2025	PHI	24	10	5	.667	24	2.71	195	1	0	0	149.2	107	45	48	19	33	8	0	0	585	2	1.98	5.91	1.14	33.3	5.6	0.94	.267	2.89	64	2.97	71	6.43	19.8
3	Tarik Skubal T. Skubal	11.23	2025	DET	24	11	3	.786	24	2.42	190	1	1	0	152.1	110	41	41	13	23	4	0	0	581	2	1.36	8.26	0.77	32.7	4.0	0.87	.276	2.42	60	2.25	55	6.50	31.9
4	Garrett Crochet G. Crochet	11.11	2025	BOS	24	13	5	.722	24	2.48	188	1	1	0	152.1	127	42	45	13	40	0	0	0	611	5	2.36	4.70	0.77	30.8	6.5	1.10	.308	2.66	58	2.53	60	7.50	28
5	Jack Flaherty J. Flaherty	11.05	2025	DET	24	6	12	.333	24	4.76	153	0	0	0	124.2	114	66	68	20	49	3	0	0	531	2	3.54	3.12	1.44	28.8	9.2	1.31	.307	4.91	119	3.99	97	8.23	1.8
6	MacKenzie Gore M. Gore	10.76	2025	WSH	25	5	12	.294	25	4.04	165	0	0	0	138.0	133	62	63	17	49	5	0	0	583	12	3.20	3.37	1.11	28.3	8.4	1.32	.334	4.11	97	3.49	84	8.67	9.9
7	Hunter Brown H. Brown	10.32	2025	HOU	24	10	5	.667	24	2.45	164	1	0	0	143.0	100	39	40	12	43	5	0	1	558	0	2.71	3.81	0.76	29.4	7.7	1.00	.263	2.52	61	2.91	71	6.29	19.4
8	Yoshinobu Yamamoto Y. Yamamoto	10.30	2025	LAD	23	10	8	.556	23	2.84	145	0	0	0	126.2	94	40	45	11	44	3	0	0	512	4	3.13	3.30	0.78	28.3	8.6	1.09	.269	3.20	69	3.06	73	6.68	15.6
9	Will Warren W. Warren	10.30	2025	NYY	25	7	5	.583	25	4.34	140	0	0	0	122.1	113	59	61	14	54	2	0	0	532	2	3.97	2.59	1.03	26.3	10.2	1.37	.307	4.49	107	3.68	86	8.31	8.2
10	Jesús Luzardo J. Luzardo	10.23	2025	PHI	25	11	6	.647	25	4.21	158	0	0	0	139.0	138	65	69	13	48	1	0	0	588	2	3.11	3.29	0.84	26.9	8.2	1.34	.340	4.47	100	3.10	74	8.94	16.4
11	Paul Skenes P. Skenes	10.09	2025	PIT	25	7	9	.438	25	2.13	166	1	0	0	148.0	106	35	38	9	36	6	0	0	581	2	2.19	4.61	0.55	28.6	6.2	0.96	.266	2.31	50	2.50	61	6.45	26.2
12	Carlos Rodón C. Rodón	10.06	2025	NYY	25	12	7	.632	25	3.25	164	0	0	0	146.2	98	53	59	19	58	5	0	0	595	4	3.56	2.83	1.17	27.6	9.7	1.06	.226	3.62	80	3.84	90	6.01	7.2
13	Joe Ryan J. Ryan	9.91	2025	MIN	24	12	5	.706	23	2.72	153	0	0	0	139.0	101	42	44	16	27	11	0	0	543	0	1.75	5.67	1.04	28.2	5.0	0.92	.253	2.85	67	3.22	77	6.54	14.5
14	Sonny Gray S. Gray	9.84	2025	STL	24	11	5	.688	24	4.06	148	1	1	0	135.1	134	61	66	17	22	3	0	0	552	1	1.46	6.73	1.13	26.8	4.0	1.15	.323	4.39	98	3.10	77	8.91	13.9
15	Logan Webb L. Webb	9.84	2025	SFG	25	10	9	.526	25	3.34	168	0	0	0	153.2	158	57	61	11	35	4	0	0	642	2	2.05	4.80	0.64	26.2	5.5	1.26	.347	3.57	82	2.61	66	9.25	23.3
16	Freddy Peralta F. Peralta	9.75	2025	MIL	25	14	5	.737	25	2.90	148	0	0	0	136.2	103	44	45	16	50	8	0	0	566	4	3.29	2.96	1.05	26.1	8.8	1.12	.253	2.96	69	3.73	90	6.78	6.2
17	Jacob deGrom J. deGrom	9.49	2025	TEX	24	10	5	.667	24	2.76	148	0	0	0	140.1	100	43	43	19	30	3	0	0	543	1	1.92	4.93	1.22	27.3	5.5	0.93	.236	2.76	68	3.46	82	6.41	12.1
18	Yusei Kikuchi Y. Kikuchi	9.45	2025	LAA	25	6	7	.462	25	3.37	146	0	0	0	139.0	140	52	60	17	58	2	0	3	601	6	3.76	2.52	1.10	24.3	9.7	1.42	.325	3.88	82	3.89	91	9.06	6.1
19	Cristopher Sánchez C. Sánchez	9.38	2025	PHI	24	11	4	.733	24	2.45	157	1	0	0	150.2	128	41	43	10	36	6	0	0	609	5	2.15	4.36	0.60	25.8	5.9	1.09	.295	2.57	58	2.72	65	7.65	24.1
20	Shane Baz S. Baz	9.33	2025	TBR	24	8	9	.471	24	4.93	140	0	0	0	135.0	130	74	75	21	50	7	0	0	576	3	3.33	2.80	1.40	24.3	8.7	1.33	.304	5.00	127	4.32	107	8.67	-4.5
21	Robbie Ray R. Ray	9.24	2025	SFG	25	9	6	.600	25	2.98	152	1	0	0	148.0	112	49	52	17	56	2	0	0	601	5	3.41	2.71	1.03	25.3	9.3	1.14	.254	3.16	73	3.72	95	6.81	3.4
22	Nick Pivetta N. Pivetta	9.17	2025	SDP	24	12	4	.750	24	2.87	144	0	0	0	141.1	98	45	49	15	36	2	0	1	555	1	2.29	4.00	0.96	25.9	6.5	0.95	.232	3.12	71	3.25	80	6.24	12.7
23	Bryan Woo B. Woo	8.94	2025	SEA	23	10	6	.625	23	3.08	145	0	0	0	146.0	113	50	53	22	26	3	0	0	574	2	1.60	5.58	1.36	25.3	4.5	0.95	.241	3.27	81	3.67	92	6.97	5.2
24	Gavin Williams G. Williams	8.93	2025	CLE	24	7	4	.636	24	3.38	127	0	0	0	128.0	101	48	53	18	67	2	0	0	541	9	4.71	1.90	1.27	23.5	12.4	1.31	.254	3.73	84	4.56	111	7.10	-6.5
25	Framber Valdez F. Valdez	8.92	2025	HOU	24	11	6	.647	24	3.01	151	2	0	0	152.1	129	51	54	9	50	6	0	0	625	9	2.95	3.02	0.53	24.2	8.0	1.18	.293	3.19	75	2.99	73	7.62	19.2