MacKenzie Gore has the highest K/9 this season, with 12.90 per nine innings.

Interpreted as:

strikeouts per 9 with a minimum of 1 IP per team game leaders 2025

	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	MacKenzie Gore M. Gore	12.90	2025	WSH	13	3	5	.375	13	2.87	108	0	0	0	75.1	64	24	24	8	22	3	0	0	305	4	2.63	4.91	0.96	35.4	7.2	1.14	.341	2.87	72	2.57	64	7.65	11.8
2	Chris Sale C. Sale	11.94	2025	ATL	14	3	4	.429	14	2.79	107	0	0	0	80.2	73	25	27	7	25	7	0	0	338	2	2.79	4.28	0.78	31.7	7.4	1.21	.344	3.01	69	2.72	70	8.14	10.4
3	Tarik Skubal T. Skubal	11.34	2025	DET	13	6	2	.750	13	2.16	105	1	1	0	83.1	61	20	20	6	7	3	0	0	314	1	0.76	15.00	0.65	33.4	2.2	0.82	.285	2.16	55	1.83	46	6.59	20.3
4	Garrett Crochet G. Crochet	11.25	2025	BOS	14	6	4	.600	14	2.35	110	0	0	0	88.0	67	23	26	8	27	0	0	0	352	0	2.76	4.07	0.82	31.3	7.7	1.07	.285	2.66	56	2.66	65	6.85	13.9
5	Dylan Cease D. Cease	11.14	2025	SDP	13	1	5	.167	13	4.72	85	0	0	0	68.2	66	36	38	8	24	1	0	1	292	2	3.15	3.54	1.05	29.1	8.2	1.31	.333	4.98	122	3.19	82	8.65	5.5
6	Zack Wheeler Z. Wheeler	11.09	2025	PHI	13	6	2	.750	13	2.85	101	0	0	0	82.0	55	26	26	10	19	2	0	0	316	1	2.09	5.32	1.10	32.0	6.0	0.90	.245	2.85	71	2.95	73	6.04	9.7
7	Carlos Rodón C. Rodón	10.95	2025	NYY	14	8	4	.667	14	2.87	103	0	0	0	84.2	50	27	29	10	30	1	0	0	332	2	3.19	3.43	1.06	31.0	9.0	0.94	.213	3.08	72	3.26	78	5.31	8.5
8	Jack Flaherty J. Flaherty	10.72	2025	DET	13	5	6	.455	13	3.41	85	0	0	0	71.1	53	27	28	11	23	2	0	0	286	0	2.90	3.70	1.39	29.7	8.0	1.07	.255	3.53	87	3.73	93	6.69	2.2
9	Hunter Brown H. Brown	10.59	2025	HOU	13	8	3	.727	13	1.82	93	1	0	0	79.0	51	16	17	6	25	1	0	0	299	0	2.85	3.72	0.68	31.1	8.4	0.96	.259	1.94	46	2.68	67	5.81	11.8
10	Yoshinobu Yamamoto Y. Yamamoto	10.51	2025	LAD	13	6	4	.600	13	2.20	86	0	0	0	73.2	49	18	21	6	25	2	0	0	291	4	3.05	3.44	0.73	29.6	8.6	1.00	.250	2.57	56	2.88	72	5.99	9.2
11	Logan Webb L. Webb	10.41	2025	SFG	14	5	5	.500	14	2.58	101	0	0	0	87.1	84	25	29	5	17	1	0	0	355	1	1.75	5.94	0.52	28.5	4.8	1.16	.342	2.99	66	2.11	56	8.66	16.8
12	Cristopher Sánchez C. Sánchez	10.28	2025	PHI	13	5	2	.714	13	3.10	83	0	0	0	72.2	66	25	26	7	28	4	0	0	308	4	3.47	2.96	0.87	26.9	9.1	1.29	.317	3.22	77	3.35	83	8.17	5.4
13	Jesús Luzardo J. Luzardo	10.28	2025	PHI	13	5	2	.714	13	4.46	83	0	0	0	72.2	81	36	39	6	24	1	0	0	314	1	2.97	3.46	0.74	26.4	7.6	1.44	.375	4.83	111	2.88	72	10.03	9.1
14	Robbie Ray R. Ray	10.13	2025	SFG	13	8	1	.889	13	2.44	87	0	0	0	77.1	52	21	21	6	31	0	0	0	306	3	3.61	2.81	0.70	28.4	10.1	1.07	.253	2.44	63	3.02	80	6.05	6.7
15	Joe Ryan J. Ryan	10.11	2025	MIN	13	7	2	.778	12	2.96	82	0	0	0	73.0	53	24	25	9	15	9	0	0	290	0	1.85	5.47	1.11	28.3	5.2	0.93	.251	3.08	74	3.40	84	6.53	5.3
16	Nick Pivetta N. Pivetta	10.01	2025	SDP	12	6	2	.750	12	3.16	76	0	0	0	68.1	51	24	25	7	19	1	0	0	271	0	2.50	4.00	0.92	28.0	7.0	1.02	.262	3.29	82	3.04	78	6.72	6.6
17	Luis L. Ortiz L. L. Ortiz	9.82	2025	CLE	13	3	7	.300	13	4.26	76	0	0	0	69.2	67	33	34	9	34	0	0	0	302	0	4.39	2.24	1.16	25.2	11.3	1.45	.317	4.39	108	4.02	100	8.66	-0.1
18	Gavin Williams G. Williams	9.78	2025	CLE	13	5	3	.625	13	3.86	71	0	0	0	65.1	57	28	32	9	36	1	0	0	282	5	4.96	1.97	1.24	25.2	12.8	1.42	.291	4.41	98	4.37	109	7.85	-2.7
19	Sonny Gray S. Gray	9.68	2025	STL	13	7	1	.875	13	3.35	81	0	0	0	75.1	71	28	30	9	14	2	0	0	306	1	1.67	5.79	1.08	26.5	4.6	1.13	.310	3.58	85	3.10	80	8.48	6.5
20	Nathan Eovaldi N. Eovaldi	9.48	2025	TEX	12	4	3	.571	12	1.56	73	1	1	0	69.1	46	12	14	4	10	4	0	0	266	4	1.30	7.30	0.52	27.4	3.8	0.81	.240	1.82	39	2.31	56	5.97	13.9
21	Max Meyer M. Meyer	9.46	2025	MIA	12	3	5	.375	12	4.73	68	0	0	0	64.2	72	34	39	12	20	2	0	0	285	0	2.78	3.40	1.67	23.9	7.0	1.42	.328	5.43	115	4.39	111	10.02	-3.2
22	Kris Bubic K. Bubic	9.44	2025	KCR	12	5	3	.625	12	1.43	79	0	0	0	75.1	53	12	14	3	22	2	0	1	294	1	2.63	3.59	0.36	26.9	7.5	1.00	.266	1.67	34	2.43	60	6.33	13.6
23	Chris Bassitt C. Bassitt	9.20	2025	TOR	13	6	3	.667	13	3.56	75	0	0	0	73.1	80	29	30	9	17	3	0	0	317	2	2.09	4.41	1.10	23.7	5.4	1.32	.333	3.68	90	3.43	85	9.82	5.1
24	Freddy Peralta F. Peralta	9.12	2025	MIL	14	5	4	.556	14	2.69	78	0	0	0	77.0	58	23	24	9	31	3	0	0	319	3	3.62	2.52	1.05	24.5	9.7	1.16	.247	2.81	67	3.88	97	6.78	1
25	Paul Skenes P. Skenes	9.10	2025	PIT	14	4	6	.400	14	1.88	92	1	0	0	91.0	56	19	22	5	20	2	0	0	345	1	1.98	4.60	0.49	26.7	5.8	0.84	.226	2.18	46	2.48	63	5.54	14.9