Since 1920, the Colorado Rockies have the worst record by a team, with a record of 2330-2749.

	TEAM	REC	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	2330-2749	.459	5,079	2,330	2,749	174,414	25,095	47,094	9,298	1,310	5,736	23,864	16,010	1,584	37,829	3,061	1,370	195,371	76,220	16,344	2,005	1,358	1,209	3,870	.270	.335	.437	.772
2	Marlins	2326-2743	.459	5,069	2,326	2,743	172,299	21,324	43,892	8,349	984	4,615	20,218	15,588	1,836	38,365	3,258	1,297	192,721	68,054	13,948	1,720	1,278	1,203	3,809	.255	.321	.395	.716
3	Phillies	7639-8827	.464	16,504	7,639	8,827	564,213	71,064	146,255	25,958	4,281	12,986	66,464	52,981	3,881	91,800	8,492	2,916	632,106	219,733	43,225	8,013	3,018	3,739	9,867	.259	.325	.389	.715
4	Padres	4160-4741	.467	8,903	4,160	4,741	300,959	36,088	75,041	13,280	1,761	7,271	33,935	28,647	2,126	59,537	6,010	2,605	337,697	113,656	22,312	3,714	2,251	2,687	6,507	.249	.317	.378	.694
5	Rangers	4847-5333	.476	10,186	4,847	5,333	347,689	45,814	89,658	15,976	1,893	10,207	43,290	32,922	2,703	65,278	5,958	2,850	389,113	140,041	28,076	2,964	2,835	2,251	7,799	.258	.324	.403	.727
6	Royals	4239-4652	.477	8,893	4,239	4,652	304,170	38,867	79,875	14,931	2,292	7,006	36,682	26,019	2,464	52,207	7,097	2,902	337,699	120,408	24,229	2,372	2,674	1,869	6,784	.263	.323	.396	.719
7	Mariners	3631-3976	.477	7,609	3,631	3,976	259,562	33,781	66,684	12,428	1,259	7,744	32,093	24,605	2,357	49,833	5,030	2,173	290,548	104,862	21,431	1,948	2,076	1,665	5,685	.257	.324	.404	.728
8	Athletics	7908-8554	.480	16,505	7,908	8,554	561,124	73,507	144,173	25,414	3,972	13,652	68,766	57,048	3,929	88,804	8,919	3,208	632,739	218,487	43,038	7,533	3,105	2,272	10,633	.257	.328	.389	.718
9	Nationals	4293-4600	.483	8,897	4,293	4,600	300,912	37,285	76,353	14,737	1,792	7,615	35,045	28,288	2,635	57,263	6,555	2,780	338,003	117,519	24,144	3,880	2,288	2,882	6,509	.254	.321	.391	.712
10	Orioles	7946-8507	.483	16,508	7,946	8,507	563,657	73,595	146,671	26,171	3,763	14,121	69,057	55,757	3,714	86,762	7,512	2,785	633,892	222,731	44,055	7,658	3,106	2,576	10,849	.260	.329	.395	.724
11	Mets	4853-5170	.484	10,031	4,853	5,170	339,357	41,386	84,793	15,149	1,819	8,593	38,971	32,449	2,869	65,045	5,896	2,737	381,288	129,359	25,561	3,989	2,624	3,143	7,470	.250	.318	.381	.700
12	Brewers	4340-4558	.488	8,902	4,340	4,558	302,187	39,579	77,375	14,424	1,756	8,718	37,497	29,086	2,715	59,016	6,003	2,736	339,570	121,465	24,898	3,165	2,417	2,160	6,613	.256	.325	.402	.726
13	Diamondbacks	2115-2216	.488	4,331	2,115	2,216	147,774	19,801	37,653	7,733	1,069	4,625	18,869	14,391	1,430	32,694	2,514	902	166,128	61,399	13,427	1,325	1,208	1,091	3,089	.255	.324	.415	.740
14	Twins	8055-8412	.489	16,517	8,055	8,412	566,951	74,872	150,289	26,556	5,081	11,705	69,877	54,895	4,228	83,628	8,556	3,082	636,662	222,122	43,342	7,420	3,168	2,664	10,979	.265	.333	.392	.725
15	Rays	2121-2208	.490	4,329	2,121	2,208	147,172	19,242	37,345	7,447	850	4,512	18,307	13,999	1,679	33,506	3,231	1,230	164,746	60,028	12,809	738	1,158	686	3,032	.254	.323	.408	.731
16	White Sox	8070-8386	.490	16,507	8,070	8,386	562,414	72,822	147,203	25,077	4,284	12,012	68,098	53,960	4,333	82,112	9,849	3,485	632,419	216,884	41,373	8,488	3,224	2,461	10,523	.262	.329	.386	.715
17	Cubs	8104-8370	.492	16,530	8,104	8,370	565,353	72,827	147,336	25,911	4,382	13,738	68,173	52,435	3,889	91,445	8,050	3,074	633,384	223,225	44,031	8,796	2,911	3,523	9,971	.261	.326	.395	.721
18	Pirates	8120-8341	.493	16,517	8,120	8,341	566,503	72,094	149,691	25,966	5,624	11,354	67,407	50,157	3,936	86,879	8,998	3,271	632,310	220,967	42,944	8,598	3,116	3,701	10,065	.264	.327	.390	.717
19	Angels	5047-5147	.495	10,197	5,047	5,147	345,961	44,119	88,507	15,303	1,811	9,232	41,515	32,348	2,828	62,854	6,049	3,102	387,450	135,128	26,346	3,539	2,774	2,484	7,881	.256	.322	.391	.713
20	Blue Jays	3792-3816	.498	7,611	3,792	3,816	260,758	35,187	67,818	13,552	1,492	8,274	33,376	24,195	2,428	49,038	4,579	1,963	291,014	109,176	23,318	1,504	2,129	1,404	5,937	.260	.326	.419	.745
21	Tigers	8242-8252	.500	16,548	8,242	8,252	566,896	76,998	149,966	26,081	4,819	14,215	72,122	57,366	3,663	87,016	7,674	2,939	638,712	228,330	45,115	7,677	3,110	2,448	10,722	.265	.334	.403	.737
22	Reds	8263-8214	.501	16,515	8,263	8,214	563,344	72,237	146,594	26,043	4,320	13,326	67,628	52,094	4,040	89,488	10,174	3,410	631,378	221,255	43,689	8,859	3,041	3,647	9,725	.260	.326	.393	.718
23	Astros	5041-4992	.502	10,038	5,041	4,992	340,645	42,805	86,844	15,919	2,173	8,440	40,286	32,377	2,908	63,005	7,154	3,136	382,677	132,429	26,532	4,030	2,717	3,145	7,420	.255	.323	.389	.711
24	Braves	8268-8185	.503	16,503	8,268	8,185	563,475	71,444	146,201	24,819	3,754	13,719	66,924	52,046	3,524	86,371	7,656	3,069	630,860	219,685	42,292	8,934	2,881	3,655	10,389	.259	.324	.390	.714
25	Red Sox	8436-8037	.512	16,511	8,436	8,037	568,314	78,861	152,585	29,569	4,111	14,136	74,125	59,113	3,927	85,769	6,877	2,552	641,854	232,784	47,816	7,160	3,340	2,999	11,552	.268	.340	.410	.749