Since 1960, the Texas Rangers have the lowest slugging percentage by a team in a season, with a slugging percentage of .290 in 1972.

	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	Rangers	.290	1972	154	.351	54	100	5,029	461	1,092	166	17	56	424	503	30	926	126	73	5,680	1,460	239	84	34	41	100	.217	.290	.581
2	Colt .45's	.301	1963	162	.407	66	96	5,384	464	1,184	170	39	62	420	456	30	938	39	30	5,983	1,618	271	86	27	39	119	.220	.283	.584
3	White Sox	.311	1968	162	.414	67	95	5,405	463	1,233	169	33	71	431	397	40	840	90	50	5,965	1,681	273	90	33	47	108	.228	.284	.595
4	Colt .45's	.315	1964	162	.407	66	96	5,303	495	1,214	162	41	70	452	381	49	872	40	48	5,859	1,668	273	87	39	44	113	.229	.285	.599
5	Mets	.315	1968	163	.451	73	89	5,503	473	1,252	178	30	81	434	379	43	1,203	72	45	6,027	1,733	289	75	27	50	104	.228	.281	.596
6	Mets	.315	1963	162	.315	51	111	5,336	501	1,168	156	35	96	459	457	47	1,078	41	52	5,921	1,682	287	46	35	41	106	.219	.285	.600
7	Yankees	.317	1967	163	.444	72	90	5,443	522	1,225	166	17	100	473	532	30	1,043	63	37	6,118	1,725	283	78	35	37	115	.225	.296	.613
8	Astros	.317	1968	162	.444	72	90	5,336	510	1,233	205	28	66	473	479	48	988	44	51	5,994	1,692	299	97	34	81	115	.231	.298	.616
9	Yankees	.318	1968	164	.512	83	79	5,310	536	1,137	154	34	109	501	566	30	958	90	50	5,992	1,686	297	56	30	52	100	.214	.292	.609
10	Angels	.318	1976	162	.469	76	86	5,385	550	1,265	210	23	63	511	534	42	812	126	80	6,101	1,710	296	92	48	50	130	.235	.306	.624
11	Angels	.318	1968	162	.414	67	95	5,331	498	1,209	170	33	83	453	447	52	1,080	62	50	5,942	1,694	286	75	37	41	103	.227	.291	.609
12	Angels	.319	1969	163	.438	71	91	5,316	528	1,221	151	29	88	480	516	32	929	54	39	5,980	1,694	268	75	41	65	105	.230	.300	.618
13	Dodgers	.319	1968	162	.469	76	86	5,354	470	1,234	202	36	67	434	439	18	980	57	43	5,935	1,709	305	79	45	61	89	.230	.289	.608
14	White Sox	.320	1967	162	.549	89	73	5,383	531	1,209	181	34	89	491	480	38	849	124	82	6,000	1,725	304	67	32	56	102	.225	.291	.612
15	Mets	.325	1967	162	.377	61	101	5,417	498	1,288	178	23	83	461	362	37	981	58	44	5,928	1,761	284	68	44	60	113	.238	.288	.613
16	Expos	.325	1972	156	.449	70	86	5,156	513	1,205	156	22	91	462	474	49	828	68	66	5,817	1,678	269	108	30	55	96	.234	.303	.628
17	Senators	.326	1967	161	.472	76	85	5,441	550	1,211	168	25	115	521	472	37	1,037	53	37	6,044	1,774	308	63	31	34	114	.223	.288	.614
18	Senators	.326	1971	159	.396	63	96	5,290	537	1,219	189	30	86	501	575	28	956	68	45	5,986	1,726	305	58	35	58	127	.230	.307	.634
19	Cardinals	.327	1986	161	.491	79	82	5,378	601	1,270	216	48	58	550	568	20	905	262	78	6,120	1,756	322	108	46	69	83	.236	.309	.636
20	Mets	.327	1965	164	.309	50	112	5,441	495	1,202	203	27	107	460	392	39	1,129	28	42	5,976	1,780	337	76	28	40	121	.221	.277	.604
21	Indians	.327	1968	162	.534	86	75	5,416	516	1,266	210	36	75	476	427	39	858	115	61	5,988	1,773	321	69	37	51	96	.234	.293	.620
22	Brewers	.328	1972	156	.417	65	91	5,124	493	1,204	167	22	88	461	472	29	868	64	57	5,733	1,679	277	78	30	42	144	.235	.302	.629
23	Angels	.328	1975	161	.447	72	89	5,377	628	1,324	195	41	55	572	593	27	811	220	108	6,141	1,766	291	97	47	35	98	.246	.322	.650
24	Brewers	.329	1971	161	.429	69	92	5,185	534	1,188	160	23	104	496	543	30	924	82	53	5,904	1,706	287	107	39	40	103	.229	.304	.633
25	Angels	.329	1971	162	.469	76	86	5,495	511	1,271	213	18	96	476	441	29	827	72	34	6,079	1,808	327	83	31	61	141	.231	.290	.619