The Baltimore Orioles had the lowest winning percentage by an AL team in 2021, winning 32.1 percent of the time.

	TEAM	W%	SEASON	W	L	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Orioles	.321	2021	52	110	162	5,420	659	1,296	266	15	195	632	451	65	1,454	54	23	5,981	2,177	476	14	31	12	105	.239	.304	.402	.705
2	Rangers	.370	2021	60	102	162	5,405	625	1,254	225	24	167	598	433	58	1,381	106	29	5,943	2,028	416	16	31	10	113	.232	.294	.375	.670
3	Twins	.451	2021	73	89	162	5,431	729	1,311	271	17	228	690	525	70	1,405	54	15	6,075	2,300	516	7	42	17	122	.241	.314	.423	.738
4	Royals	.457	2021	74	88	162	5,427	686	1,349	251	29	163	647	421	55	1,258	124	33	5,986	2,147	443	31	52	8	100	.249	.306	.396	.702
5	Tigers	.475	2021	77	85	162	5,376	697	1,299	236	37	179	675	490	44	1,514	88	25	5,977	2,146	452	17	50	8	113	.242	.308	.399	.707
6	Angels	.475	2021	77	85	162	5,437	723	1,331	265	23	190	691	464	59	1,394	79	26	6,015	2,212	478	30	25	35	107	.245	.310	.407	.717
7	Indians	.494	2021	80	82	162	5,332	717	1,269	248	22	203	686	453	64	1,387	109	17	5,905	2,170	473	20	36	18	105	.238	.303	.407	.710
8	Athletics	.531	2021	86	76	162	5,395	743	1,284	271	19	199	698	545	98	1,349	88	20	6,104	2,190	489	17	49	17	99	.238	.317	.406	.723
9	Mariners	.556	2021	90	72	162	5,355	697	1,209	233	11	199	673	535	72	1,492	64	24	6,007	2,061	443	9	36	8	92	.226	.303	.385	.688
10	Blue Jays	.562	2021	91	71	162	5,476	846	1,455	285	13	262	816	496	51	1,218	81	20	6,068	2,552	560	10	35	14	112	.266	.330	.466	.797
11	Red Sox	.568	2021	92	70	162	5,495	829	1,434	330	23	219	783	512	61	1,386	40	21	6,120	2,467	572	10	42	22	100	.261	.328	.449	.777
12	Yankees	.568	2021	92	70	162	5,331	711	1,266	213	12	222	666	621	63	1,482	63	18	6,059	2,169	447	10	34	14	154	.237	.322	.407	.729
13	White Sox	.574	2021	93	69	162	5,357	796	1,373	275	22	190	757	586	78	1,389	57	20	6,084	2,262	487	24	39	10	139	.256	.336	.422	.758
14	Astros	.586	2021	95	67	162	5,593	863	1,496	299	14	221	834	569	64	1,222	53	16	6,289	2,486	534	9	54	25	136	.267	.339	.444	.783
15	Rays	.617	2021	100	62	162	5,507	857	1,336	288	36	222	810	585	72	1,542	88	42	6,211	2,362	546	6	41	27	75	.243	.321	.429	.750