Since 1960, the Colorado Rockies have the worst record by a team in a season, with a record of 4-20 this season.

	TEAM	REC	SEASON	W%	G	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Rockies	4-20	2025	.167	24	4	20	794	77	169	36	6	19	76	72	12	257	11	4	885	274	61	3	4	3	14	.213	.287	.345	.632
2	White Sox	6-19	2025	.240	25	6	19	804	78	163	27	1	19	75	82	5	215	16	5	899	249	47	2	6	1	13	.203	.279	.310	.588
3	Mets	40-120	1962	.250	161	40	120	5,492	617	1,318	166	40	139	573	616	32	991	59	48	6,242	1,981	345	58	44	29	122	.240	.318	.361	.679
4	White Sox	41-121	2024	.253	162	41	121	5,383	507	1,187	226	9	133	485	395	43	1,403	90	33	5,866	1,830	368	18	27	8	116	.221	.278	.340	.618
5	Tigers	43-119	2003	.265	162	43	119	5,466	591	1,312	201	39	153	553	443	47	1,099	98	63	6,070	2,050	393	65	49	24	114	.240	.300	.375	.675
6	Orioles	47-115	2018	.290	162	47	115	5,507	622	1,317	242	15	188	593	422	57	1,412	81	22	6,034	2,153	445	13	35	19	132	.239	.298	.391	.689
7	Tigers	47-114	2019	.292	161	47	114	5,549	582	1,333	292	41	149	556	391	48	1,595	57	20	6,039	2,154	482	9	42	14	108	.240	.294	.388	.682
8	Phillies	47-107	1961	.305	155	47	107	5,213	584	1,265	185	50	103	549	475	46	928	56	30	5,870	1,859	338	108	28	46	130	.243	.310	.357	.667
9	Mets	50-112	1965	.309	164	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	.327	.604
10	Athletics	50-112	2023	.309	162	50	112	5,311	585	1,187	225	21	171	563	498	85	1,496	149	31	5,958	1,967	417	28	36	12	125	.223	.298	.370	.669
11	Astros	51-111	2013	.315	162	51	111	5,457	610	1,307	266	16	148	566	426	52	1,535	110	61	6,019	2,049	430	46	38	17	110	.240	.299	.375	.674
12	Diamondbacks	51-111	2004	.315	162	51	111	5,544	615	1,401	295	38	135	582	441	35	1,022	53	32	6,113	2,177	468	56	37	38	137	.253	.310	.393	.703
13	Mets	51-111	1963	.315	162	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	.315	.600
14	Pirates	19-41	2020	.317	60	19	41	1,932	219	425	76	6	59	210	167	11	521	16	11	2,132	690	141	7	15	6	34	.220	.284	.357	.641
15	Orioles	52-110	2021	.321	162	52	110	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
16	Diamondbacks	52-110	2021	.321	162	52	110	5,489	679	1,297	308	31	144	644	537	54	1,465	43	16	6,140	2,099	483	32	28	24	99	.236	.309	.382	.692
17	Expos	52-110	1969	.321	162	52	110	5,419	582	1,300	202	33	125	542	529	38	962	52	52	6,073	1,943	360	57	30	51	132	.240	.310	.359	.669
18	Padres	52-110	1969	.321	162	52	110	5,357	468	1,203	180	42	99	431	423	35	1,143	45	44	5,891	1,764	321	56	20	40	122	.225	.285	.329	.614
19	Tigers	53-109	1996	.327	162	53	109	5,530	783	1,413	257	21	204	741	546	29	1,268	87	50	6,202	2,324	482	48	49	26	132	.256	.323	.420	.743
20	Blue Jays	53-109	1979	.327	162	53	109	5,423	613	1,362	253	34	95	562	448	36	663	75	56	6,010	1,968	382	65	38	21	131	.251	.311	.363	.673
21	Mets	53-109	1964	.327	163	53	109	5,566	569	1,372	195	31	103	527	353	48	932	36	31	6,045	1,938	329	52	26	34	147	.246	.296	.348	.644
22	Orioles	54-108	2019	.333	162	54	108	5,596	729	1,379	252	25	213	698	462	71	1,435	84	30	6,188	2,320	490	22	37	8	111	.246	.310	.415	.725
23	Marlins	54-108	1998	.333	162	54	108	5,558	667	1,381	277	36	114	621	525	45	1,120	115	57	6,227	2,072	427	70	29	30	121	.248	.317	.373	.690
24	Athletics	54-108	1979	.333	162	54	108	5,348	573	1,276	188	32	108	541	482	20	751	104	69	5,971	1,852	328	75	46	36	131	.239	.302	.346	.648
25	Orioles	54-107	1988	.335	161	54	107	5,358	550	1,275	199	20	137	517	504	32	869	69	44	5,979	1,925	356	40	45	31	140	.238	.305	.359	.664