The Houston Astros have the best K/9 by a team this season, with 9.97 per nine innings.

Interpreted as:

teams with most strikeouts per 9 this regular season

	TEAM	K/9	SEASON	G	W%	W	L	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Astros	9.97	2025	79	.582	46	33	79	3.48	774	3	0	23	698.2	566	270	287	84	240	32	3	2,883	18	3.09	3.23	1.08	26.8	8.3	1.15	.275	3.70	7.29
2	Yankees	9.32	2025	79	.570	45	34	79	3.51	727	0	0	22	701.2	574	274	296	77	256	26	5	2,915	23	3.28	2.84	0.99	24.9	8.8	1.18	.272	3.80	7.36
3	Braves	9.27	2025	78	.474	37	41	78	3.66	710	1	0	12	689.1	588	280	300	82	250	31	10	2,859	19	3.26	2.84	1.07	24.8	8.7	1.22	.283	3.92	7.68
4	Phillies	9.23	2025	79	.595	47	32	79	3.86	725	0	0	24	707.0	668	303	329	86	231	22	6	2,983	22	2.94	3.14	1.09	24.3	7.7	1.27	.303	4.19	8.50
5	Blue Jays	9.07	2025	78	.538	42	36	78	4.20	700	0	0	23	694.2	619	324	346	106	248	38	8	2,918	16	3.21	2.82	1.37	24.0	8.5	1.25	.281	4.48	8.02
6	Padres	8.85	2025	80	.550	44	36	80	3.59	697	2	2	27	708.2	600	283	313	79	262	32	8	2,972	20	3.33	2.66	1.00	23.5	8.8	1.22	.274	3.98	7.62
7	Dodgers	8.84	2025	80	.613	49	31	80	4.29	702	0	0	26	715.0	664	341	371	103	284	36	16	3,058	36	3.57	2.47	1.30	23.0	9.3	1.33	.290	4.67	8.36
8	Twins	8.82	2025	79	.468	37	42	79	4.27	679	1	0	14	693.0	661	329	355	83	213	38	6	2,949	20	2.77	3.19	1.08	23.0	7.2	1.26	.299	4.61	8.58
9	Mets	8.81	2025	80	.575	46	34	80	3.25	697	1	1	22	712.0	619	257	296	58	295	31	5	3,016	33	3.73	2.36	0.73	23.1	9.8	1.28	.290	3.74	7.82
10	Giants	8.73	2025	79	.557	44	35	79	3.27	678	0	0	23	698.2	610	254	290	62	243	24	9	2,910	25	3.13	2.79	0.80	23.3	8.4	1.22	.288	3.74	7.86
11	Guardians	8.58	2025	77	.506	39	38	77	3.91	646	1	0	23	677.1	652	294	319	79	280	26	9	2,916	23	3.72	2.31	1.05	22.2	9.6	1.38	.304	4.24	8.66
12	Diamondbacks	8.55	2025	80	.513	41	39	80	4.73	676	0	0	25	711.1	688	374	407	107	266	36	12	3,063	14	3.37	2.54	1.35	22.1	8.7	1.34	.294	5.15	8.70
13	Tigers	8.54	2025	80	.625	50	30	80	3.50	675	1	1	23	711.1	628	277	313	85	229	33	7	2,961	20	2.90	2.95	1.08	22.8	7.7	1.20	.280	3.96	7.95
14	Brewers	8.53	2025	81	.556	45	36	81	3.82	681	0	0	22	718.1	648	305	331	88	283	29	13	3,052	19	3.55	2.41	1.10	22.3	9.3	1.30	.284	4.15	8.12
15	Red Sox	8.52	2025	81	.494	40	41	81	3.95	688	0	0	22	726.2	680	319	369	80	278	34	11	3,100	18	3.44	2.47	0.99	22.2	9.0	1.32	.297	4.57	8.42
16	Orioles	8.49	2025	79	.430	34	45	79	4.86	652	0	0	19	691.1	728	373	395	106	257	25	4	3,016	32	3.35	2.54	1.38	21.6	8.5	1.42	.315	5.14	9.48
17	Royals	8.19	2025	79	.481	38	41	79	3.41	640	0	0	25	703.0	623	266	288	76	229	23	9	2,920	31	2.93	2.79	0.97	21.9	7.8	1.21	.280	3.69	7.98
18	Reds	8.19	2025	80	.525	42	38	80	3.81	645	2	1	21	708.2	614	300	331	95	243	35	7	2,968	22	3.09	2.65	1.21	21.7	8.2	1.21	.266	4.20	7.80
19	Rays	8.13	2025	79	.557	44	35	79	3.58	640	1	0	17	708.1	618	282	302	103	215	33	6	2,905	10	2.73	2.98	1.31	22.0	7.4	1.18	.269	3.84	7.85
20	Mariners	8.12	2025	78	.526	41	37	78	3.97	636	0	0	20	705.0	668	311	342	98	236	30	14	2,981	23	3.01	2.69	1.25	21.3	7.9	1.28	.288	4.37	8.53
21	Nationals	8.08	2025	81	.407	33	48	81	4.96	639	0	0	19	712.0	715	392	413	96	267	51	1	3,108	36	3.38	2.39	1.21	20.6	8.6	1.38	.301	5.22	9.04
22	Athletics	8.04	2025	81	.395	32	49	81	5.48	642	0	0	16	719.0	775	438	473	117	304	46	11	3,232	15	3.81	2.11	1.46	19.9	9.4	1.50	.310	5.92	9.70
23	Rangers	8.00	2025	80	.488	39	41	80	3.29	622	2	1	22	700.0	584	256	277	70	220	21	8	2,863	26	2.83	2.83	0.90	21.7	7.7	1.15	.266	3.56	7.51
24	Angels	7.93	2025	79	.494	39	40	79	4.55	615	0	0	20	698.1	706	353	382	103	307	25	24	3,046	30	3.96	2.00	1.33	20.2	10.1	1.45	.302	4.92	9.10
25	Marlins	7.91	2025	77	.416	32	45	77	4.87	601	0	0	17	684.0	688	370	398	90	270	32	10	2,983	24	3.55	2.23	1.18	20.1	9.1	1.40	.301	5.24	9.05