highest win percentage as an underdog in a season

The Los Angeles Dodgers have the highest winning percentage by a team as underdogs in a season, winning 69.2 percent of the time in 2018.

	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	Dodgers	.692	2018	9	4	13	457	64	112	34	5	20	61	54	10	125	6	1	534	216	59	5	8	6	11	.245	.333	.473	.805
2	Indians	.684	2017	13	6	19	662	106	181	34	3	35	100	60	6	160	11	3	732	326	72	1	3	1	15	.273	.338	.492	.830
3	Yankees	.667	2024	20	10	30	1,047	150	267	58	5	38	145	99	5	277	16	4	1,168	449	101	0	17	1	28	.255	.318	.429	.746
4	Rays	.667	2020	10	5	15	478	59	103	24	1	14	57	59	7	157	7	2	546	171	39	0	2	2	6	.215	.310	.358	.667
5	Twins	.615	2020	8	5	13	422	51	98	15	3	20	49	43	5	135	1	2	471	179	38	0	1	3	7	.232	.310	.424	.734
6	Astros	.604	2023	29	19	48	1,656	253	423	74	5	69	247	144	22	426	32	14	1,841	714	148	7	12	6	40	.255	.321	.431	.752
7	Giants	.585	2021	38	27	65	2,190	303	512	96	8	107	291	226	23	622	26	7	2,465	945	211	15	11	18	48	.234	.311	.432	.742
8	Astros	.583	2025	7	5	12	403	40	95	13	3	9	36	31	7	110	8	3	448	141	25	3	4	4	10	.236	.299	.350	.649
9	Giants	.571	2025	8	6	14	464	80	104	24	1	20	76	62	4	150	11	3	532	190	45	0	2	0	5	.224	.320	.409	.729
10	Yankees	.571	2021	20	15	35	1,164	146	272	51	3	51	137	142	13	368	25	4	1,328	482	105	3	6	3	29	.234	.322	.414	.736
11	Rays	.563	2021	36	28	64	2,167	302	497	119	11	85	282	192	33	649	37	14	2,408	893	215	2	14	8	27	.229	.300	.412	.712
12	Padres	.559	2024	38	30	68	2,312	306	580	90	7	80	296	182	23	490	49	12	2,534	924	177	9	8	7	54	.251	.311	.400	.711
13	Red Sox	.556	2025	5	4	9	314	46	83	21	1	12	44	32	1	91	13	1	350	142	34	1	2	2	2	.264	.332	.452	.785
14	Orioles	.554	2023	46	37	83	2,840	388	685	158	11	96	374	231	18	750	50	12	3,119	1,153	265	11	19	10	57	.241	.301	.406	.707
15	Mariners	.554	2021	67	54	121	3,991	517	901	177	10	145	496	399	49	1,175	48	15	4,473	1,533	332	7	27	5	65	.226	.302	.384	.686
16	Orioles	.553	2024	26	21	47	1,612	205	373	69	10	66	198	132	18	435	33	10	1,770	660	145	1	7	2	13	.231	.296	.409	.705
17	Blue Jays	.553	2023	26	21	47	1,647	237	431	88	8	62	223	159	27	398	23	12	1,842	721	158	2	7	3	35	.262	.335	.438	.773
18	Reds	.550	2025	11	9	20	681	113	177	34	2	25	111	79	9	168	16	5	774	290	61	2	3	2	12	.260	.343	.426	.769
19	Brewers	.549	2023	45	37	82	2,745	352	641	122	6	84	338	278	23	757	68	13	3,068	1,027	212	2	20	5	65	.234	.307	.374	.681
20	Mariners	.545	2025	6	5	11	382	56	99	14	0	16	51	57	6	88	17	7	449	161	30	2	2	2	6	.259	.362	.421	.784
21	Yankees	.545	2017	24	20	44	1,565	203	388	73	5	56	197	171	15	452	28	6	1,770	639	134	8	11	8	36	.248	.326	.408	.734
22	Rangers	.544	2016	49	41	90	3,079	412	790	144	9	123	400	219	38	717	50	17	3,373	1,321	276	11	26	8	61	.257	.311	.429	.740
23	Cardinals	.544	2019	37	31	68	2,298	313	563	100	12	90	297	211	36	649	56	13	2,575	957	202	16	14	1	47	.245	.317	.416	.733
24	Blue Jays	.544	2021	31	26	57	1,935	270	479	88	6	84	254	169	19	497	35	8	2,139	831	178	3	13	9	41	.248	.312	.429	.742
25	Diamondbacks	.543	2017	38	32	70	2,395	339	594	130	17	88	322	232	23	695	36	12	2,678	1,022	235	17	11	22	47	.248	.319	.427	.746