The Miami Marlins had the most wins by a team as underdogs in 2025, with 69 wins.

Interpreted as:

MLB teams with most wins as underdog this regular season

	TEAM	W	SEASON	L	W%	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	Marlins	69	2025	69	.500	138	4,722	592	1,169	226	25	134	564	409	44	1,100	112	39	5,227	1,847	385	17	35	12	77	.248	.311	.391	.702
2	Nationals	61	2025	86	.415	147	4,908	618	1,183	235	27	140	590	389	52	1,251	116	44	5,399	1,892	402	13	37	10	89	.241	.302	.385	.687
3	Athletics	60	2025	70	.462	130	4,476	596	1,145	242	10	179	580	392	33	1,188	59	23	4,943	1,944	431	17	25	13	88	.256	.319	.434	.753
4	White Sox	59	2025	101	.369	160	5,313	640	1,235	240	10	164	619	487	48	1,350	84	21	5,904	1,987	414	21	35	8	107	.232	.301	.374	.675
5	Angels	56	2025	72	.438	128	4,284	534	974	167	10	191	514	378	63	1,301	72	21	4,758	1,734	368	12	21	18	76	.227	.298	.405	.703
6	Pirates	54	2025	69	.439	123	4,084	424	942	194	14	84	408	387	40	1,107	77	26	4,547	1,416	292	11	25	11	93	.231	.302	.347	.649
7	Royals	50	2025	55	.476	105	3,548	403	863	185	13	97	397	263	50	725	67	29	3,902	1,365	295	17	24	13	53	.243	.303	.385	.687
8	Reds	50	2025	48	.510	98	3,325	465	810	150	13	112	442	325	30	909	62	15	3,712	1,322	275	9	23	7	61	.244	.315	.398	.712
9	Cardinals	48	2025	56	.462	104	3,476	435	842	160	7	93	414	283	56	861	56	21	3,859	1,295	260	21	23	9	74	.242	.308	.373	.680
10	Guardians	47	2025	53	.470	100	3,288	352	725	144	11	96	342	275	35	881	73	22	3,648	1,179	251	19	31	18	48	.220	.285	.359	.644
11	Blue Jays	47	2025	36	.566	83	2,808	366	713	147	5	81	351	277	30	559	40	14	3,156	1,113	233	19	22	13	63	.254	.325	.396	.722
12	Brewers	46	2025	32	.590	78	2,671	364	675	122	8	76	340	252	30	656	81	27	2,977	1,041	206	8	16	6	45	.253	.322	.390	.712
13	Orioles	45	2025	56	.446	101	3,365	385	753	138	11	109	369	292	44	939	69	25	3,723	1,240	258	2	20	4	55	.224	.293	.368	.661
14	Diamondbacks	44	2025	42	.512	86	2,896	386	722	148	22	103	370	276	48	727	60	26	3,272	1,223	273	22	30	13	56	.249	.322	.422	.744
15	Rockies	42	2025	118	.263	160	5,336	582	1,256	243	37	158	566	389	46	1,517	86	39	5,826	2,047	438	21	34	5	115	.235	.291	.384	.675
16	Red Sox	38	2025	34	.528	72	2,454	326	597	141	10	78	305	231	33	687	59	15	2,744	992	229	8	18	9	41	.243	.315	.404	.719
17	Rays	37	2025	53	.411	90	3,064	381	752	139	5	92	364	260	26	819	96	28	3,386	1,177	236	8	28	3	52	.245	.307	.384	.691
18	Astros	37	2025	30	.552	67	2,310	288	580	100	7	75	274	174	36	566	33	11	2,548	919	182	9	19	8	50	.251	.311	.398	.709
19	Rangers	37	2025	49	.430	86	2,948	343	693	121	9	88	334	237	32	760	70	21	3,243	1,096	218	8	18	7	51	.235	.297	.372	.669
20	Padres	37	2025	35	.514	72	2,401	258	585	117	7	61	245	201	33	551	45	14	2,683	899	185	27	21	12	48	.244	.308	.374	.683
21	Twins	35	2025	52	.402	87	2,916	355	672	134	8	110	334	257	52	779	74	21	3,244	1,152	252	6	13	5	47	.230	.303	.395	.698
22	Giants	35	2025	39	.473	74	2,488	340	574	117	9	81	323	277	28	699	34	10	2,822	952	207	4	25	9	43	.231	.312	.383	.695
23	Tigers	29	2025	30	.492	59	1,995	270	492	83	16	60	254	193	21	575	24	7	2,228	787	159	2	17	4	32	.247	.317	.394	.712
24	Mariners	25	2025	25	.500	50	1,730	239	429	84	1	81	227	175	30	494	45	15	1,952	758	166	6	11	5	30	.248	.326	.438	.764
25	Braves	24	2025	39	.381	63	2,120	250	487	77	6	72	241	223	15	561	33	13	2,374	792	155	7	9	3	35	.230	.306	.374	.680