The Houston Astros have the highest K/9 by a team this season, with 9.59 per nine innings.

Interpreted as:

Team with best k/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	9.59	2025	121	.562	68	53	121	3.76	1,147	3	0	36	1076.0	928	450	480	142	366	47	6	4,489	29	3.06	3.13	1.19	25.6	8.2	1.20	.282	4.01	7.76
2	Phillies	9.18	2025	120	.575	69	51	120	3.74	1,089	2	0	32	1067.1	994	443	476	131	324	39	7	4,473	26	2.73	3.36	1.10	24.3	7.2	1.23	.299	4.01	8.38
3	Yankees	9.04	2025	121	.529	64	57	121	4.01	1,076	0	0	31	1071.2	923	478	522	136	420	40	10	4,532	36	3.53	2.56	1.14	23.7	9.3	1.25	.275	4.38	7.75
4	Dodgers	9.01	2025	120	.567	68	52	120	4.15	1,069	0	0	35	1068.1	986	493	540	145	418	52	22	4,563	48	3.52	2.56	1.22	23.4	9.2	1.31	.292	4.55	8.31
5	Blue Jays	8.99	2025	121	.579	70	51	121	4.25	1,072	1	0	34	1072.2	970	506	544	163	382	60	23	4,535	22	3.21	2.81	1.37	23.6	8.4	1.26	.282	4.56	8.14
6	Braves	8.92	2025	119	.429	51	68	119	4.29	1,043	1	0	19	1052.2	962	502	530	139	396	50	18	4,461	32	3.39	2.63	1.19	23.4	8.9	1.29	.291	4.53	8.22
7	Brewers	8.73	2025	120	.633	76	44	120	3.59	1,036	0	0	34	1068.1	918	426	461	131	397	43	14	4,473	26	3.34	2.61	1.10	23.2	8.9	1.23	.275	3.88	7.73
8	Padres	8.71	2025	121	.570	69	52	121	3.55	1,038	2	2	40	1072.0	900	423	457	116	393	51	19	4,475	34	3.30	2.64	0.97	23.2	8.8	1.21	.273	3.84	7.56
9	Tigers	8.66	2025	122	.574	70	52	122	3.84	1,040	1	1	33	1080.1	978	461	508	137	349	49	12	4,523	35	2.91	2.98	1.14	23.0	7.7	1.23	.285	4.23	8.15
10	Twins	8.64	2025	120	.475	57	63	120	4.28	1,012	1	0	22	1054.0	1,031	501	534	141	320	51	13	4,488	33	2.73	3.16	1.20	22.5	7.1	1.28	.300	4.56	8.80
11	Mets	8.63	2025	119	.538	64	55	119	3.69	1,012	1	1	35	1055.0	957	432	488	108	426	57	6	4,518	46	3.63	2.38	0.92	22.4	9.4	1.31	.291	4.16	8.16
12	Giants	8.56	2025	121	.488	59	62	121	3.71	1,020	1	0	28	1072.0	998	442	497	106	386	43	11	4,544	39	3.24	2.64	0.89	22.4	8.5	1.29	.298	4.17	8.38
13	Rays	8.55	2025	121	.479	58	63	121	3.92	1,016	1	0	26	1069.2	954	466	501	155	348	50	9	4,443	19	2.93	2.92	1.30	22.9	7.8	1.22	.278	4.22	8.03
14	Guardians	8.52	2025	119	.521	62	57	119	3.89	1,003	1	0	35	1059.2	960	458	501	130	422	40	16	4,498	37	3.58	2.38	1.10	22.3	9.4	1.30	.286	4.26	8.15
15	Mariners	8.49	2025	121	.554	67	54	121	3.78	1,036	0	0	32	1098.1	985	461	514	141	361	55	23	4,605	39	2.96	2.87	1.16	22.5	7.8	1.23	.280	4.21	8.07
16	Reds	8.43	2025	122	.525	64	58	122	3.82	1,009	3	2	29	1077.2	948	458	503	133	380	47	9	4,541	31	3.17	2.66	1.11	22.2	8.4	1.23	.274	4.20	7.92
17	Orioles	8.41	2025	120	.450	54	66	120	4.80	984	1	0	28	1053.1	1,085	562	597	164	389	38	10	4,575	44	3.32	2.53	1.40	21.5	8.5	1.40	.307	5.10	9.27
18	Rangers	8.28	2025	122	.500	61	61	122	3.32	1,000	2	1	29	1086.1	911	401	438	121	362	37	19	4,469	35	3.00	2.76	1.00	22.4	8.1	1.17	.268	3.63	7.55
19	Red Sox	8.25	2025	122	.541	66	56	122	3.75	1,000	2	1	32	1091.0	1,013	454	521	123	407	57	15	4,645	35	3.36	2.46	1.01	21.5	8.8	1.30	.291	4.30	8.36
20	Athletics	8.23	2025	122	.443	54	68	122	4.88	988	0	0	25	1080.1	1,063	586	637	173	429	62	20	4,707	22	3.57	2.30	1.44	21.0	9.1	1.38	.291	5.31	8.86
21	Diamondbacks	8.19	2025	121	.488	59	62	121	4.54	980	0	0	33	1077.0	1,060	543	591	149	384	49	17	4,636	23	3.21	2.55	1.25	21.1	8.3	1.34	.296	4.94	8.86
22	Angels	8.05	2025	120	.483	58	62	120	4.62	952	0	0	28	1065.0	1,059	547	595	163	454	34	37	4,630	47	3.84	2.10	1.38	20.6	9.8	1.42	.296	5.03	8.95
23	Marlins	8.01	2025	120	.483	58	62	120	4.52	947	0	0	29	1064.1	1,015	534	573	134	370	52	12	4,540	41	3.13	2.56	1.13	20.9	8.1	1.30	.290	4.85	8.58
24	Royals	7.96	2025	121	.496	60	61	121	3.66	953	0	0	34	1077.0	969	438	470	123	367	32	16	4,505	38	3.07	2.60	1.03	21.2	8.1	1.24	.279	3.93	8.10
25	Pirates	7.91	2025	122	.418	51	71	122	4.06	947	1	0	25	1077.0	979	486	517	122	359	51	12	4,533	33	3.00	2.64	1.02	20.9	7.9	1.24	.281	4.32	8.18