The New York Yankees have the best slugging percentage by a team in a season, with a slugging percentage of .585 this season.

	TEAM	SLG	SEASON	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	OPS
1	Yankees	.585	2025	9	.667	6	3	323	76	92	20	1	25	73	35	8	89	10	4	370	189	46	0	4	3	2	.285	.365	.950
2	Braves	.501	2023	162	.642	104	58	5,597	947	1,543	293	23	307	916	538	67	1,289	132	27	6,247	2,803	623	2	43	20	128	.276	.344	.845
3	Astros	.495	2019	162	.660	107	55	5,613	920	1,538	323	28	288	891	645	66	1,166	67	27	6,391	2,781	639	10	57	17	146	.274	.352	.848
4	Twins	.494	2019	162	.623	101	61	5,732	939	1,547	318	23	307	906	525	81	1,334	28	21	6,389	2,832	648	10	41	21	101	.270	.338	.832
5	Red Sox	.491	2003	162	.586	95	67	5,769	961	1,667	371	40	238	932	620	53	943	88	35	6,530	2,832	649	24	64	61	126	.289	.360	.851
6	Yankees	.490	2019	162	.636	103	59	5,583	943	1,493	290	17	306	904	569	49	1,437	55	22	6,244	2,735	613	10	33	18	113	.267	.339	.829
7	Yankees	.488	1927	155	.714	110	44	5,354	976	1,644	291	103	158	907	642	22	610	90	64	6,222	2,615	552	204				.307	.384	.872
8	Yankees	.488	1930	154	.558	86	68	5,447	1,062	1,683	298	110	152	985	644	19	569	91	60	6,272	2,657	560	162				.309	.384	.872
9	Mariners	.485	1997	162	.556	90	72	5,614	925	1,574	312	21	264	890	626	49	1,110	89	40	6,384	2,720	597	46	49	53	146	.280	.355	.839
10	Beaneaters	.484	1894	133	.629	83	49	5,011	1,220	1,658	272	94	103	1,043	535	47	261	241		5,657	2,427	469	64				.331	.401	.885
11	Indians	.484	1994	113	.584	66	47	4,022	679	1,165	240	20	167	647	382	18	629	131	48	4,493	1,946	427	33	38	40	80	.290	.351	.835
12	Mariners	.484	1996	161	.528	85	76	5,668	993	1,625	343	19	245	954	670	75	1,052	90	39	6,517	2,741	607	46	58	57	121	.287	.366	.850
13	Yankees	.483	1936	155	.667	102	51	5,591	1,065	1,676	315	83	182	997	700	33	593	77	40	6,391	2,703	580	67				.300	.381	.864
14	Rockies	.483	2001	162	.451	73	89	5,690	923	1,663	324	61	213	874	511	61	1,027	132	54	6,393	2,748	598	81	50	50	116	.292	.354	.837
15	Dodgers	.483	2020	60	.717	43	17	2,042	349	523	97	6	118	327	228	30	471	29	8	2,315	986	221	3	12	7	46	.256	.338	.821
16	Orioles	.483	1894	129	.695	89	39	4,799	1,171	1,647	271	150	33	976	516	98	200	324		5,564	2,317	454	151				.343	.418	.901
17	Braves	.483	2020	60	.583	35	25	2,074	348	556	130	3	103	338	239	23	573	23	4	2,344	1,001	236	1	7	13	39	.268	.349	.832
18	Cardinals	.482	2025	9	.444	4	5	332	62	100	18	0	14	59	39	5	73	6	3	380	160	32	1	3	3	8	.301	.380	.862
19	Cubs	.481	1930	156	.584	90	64	5,581	998	1,722	305	72	171	940	588	37	635	70		6,354	2,684	548	148				.309	.378	.859
20	Indians	.479	1995	144	.694	100	44	5,028	840	1,461	279	23	207	803	542	35	766	132	53	5,684	2,407	509	31	48	40	128	.291	.361	.839
21	Rangers	.479	1999	162	.586	95	67	5,651	945	1,653	304	29	230	897	611	29	937	111	54	6,388	2,705	563	35	62	41	147	.293	.361	.840
22	Phillies	.478	1894	132	.555	71	57	5,089	1,179	1,780	259	137	40	1,007	508	58	254	285		5,777	2,433	436	122				.350	.415	.893
23	Astros	.478	2017	162	.623	101	61	5,611	896	1,581	346	20	238	854	509	70	1,087	98	42	6,262	2,681	604	11	61	27	139	.282	.346	.823
24	Rockies	.478	1997	162	.512	83	79	5,603	923	1,611	269	40	239	869	562	63	1,060	137	65	6,336	2,677	548	73	35	35	138	.288	.357	.835
25	Yankees	.478	2009	162	.636	103	59	5,660	915	1,604	325	21	244	881	663	54	1,014	111	28	6,447	2,703	590	31	39	35	144	.283	.362	.839