Since 1920, the Miami Marlins have the worst record by a team, with a record of 2316-2729.

	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	Marlins	2316-2729	.459	5,045	2,316	2,729	171,493	21,239	43,693	8,314	979	4,594	20,135	15,504	1,831	38,179	3,239	1,288	191,817	67,747	13,887	1,716	1,273	1,202	3,790	.255	.321	.395	.716
2	Rockies	2327-2727	.460	5,054	2,327	2,727	173,588	25,017	46,910	9,261	1,304	5,713	23,787	15,946	1,578	37,596	3,049	1,363	194,467	75,918	16,278	2,002	1,353	1,207	3,852	.270	.335	.437	.772
3	Phillies	7622-8819	.464	16,479	7,622	8,819	563,351	70,942	146,032	25,918	4,278	12,957	66,346	52,898	3,872	91,609	8,466	2,911	631,142	219,377	43,153	8,010	3,011	3,739	9,856	.259	.325	.389	.715
4	Padres	4149-4728	.467	8,879	4,149	4,728	300,147	35,979	74,850	13,246	1,757	7,247	33,835	28,575	2,122	59,371	5,999	2,603	336,796	113,351	22,250	3,709	2,243	2,685	6,494	.249	.317	.378	.695
5	Rangers	4835-5320	.476	10,161	4,835	5,320	346,880	45,723	89,483	15,951	1,891	10,178	43,202	32,849	2,693	65,068	5,931	2,845	388,212	139,750	28,020	2,963	2,827	2,250	7,791	.258	.325	.403	.727
6	Royals	4227-4639	.477	8,868	4,227	4,639	303,327	38,793	79,656	14,891	2,284	6,997	36,611	25,969	2,455	52,035	7,077	2,893	336,781	120,106	24,172	2,364	2,666	1,865	6,772	.263	.323	.396	.719
7	Mariners	3619-3963	.477	7,584	3,619	3,963	258,702	33,686	66,490	12,400	1,258	7,714	31,999	24,529	2,346	49,592	5,014	2,167	289,594	104,548	21,372	1,945	2,072	1,664	5,671	.257	.325	.404	.729
8	Athletics	7904-8533	.481	16,480	7,904	8,533	560,255	73,404	143,949	25,369	3,971	13,623	68,665	56,964	3,920	88,582	8,901	3,205	631,771	218,129	42,963	7,531	3,101	2,267	10,607	.257	.328	.389	.717
9	Nationals	4280-4588	.483	8,872	4,280	4,588	300,073	37,167	76,144	14,683	1,788	7,590	34,931	28,218	2,617	57,075	6,536	2,771	337,067	117,173	24,061	3,877	2,282	2,880	6,490	.254	.321	.390	.712
10	Orioles	7937-8491	.483	16,483	7,937	8,491	562,797	73,502	146,457	26,127	3,759	14,101	68,970	55,688	3,705	86,531	7,487	2,778	632,944	222,405	43,987	7,656	3,098	2,574	10,832	.260	.329	.395	.724
11	Mets	4838-5160	.484	10,006	4,838	5,160	338,551	41,290	84,600	15,115	1,814	8,564	38,877	32,361	2,850	64,844	5,871	2,734	380,363	129,035	25,493	3,986	2,615	3,137	7,444	.250	.318	.381	.699
12	Brewers	4325-4548	.487	8,877	4,325	4,548	301,337	39,470	77,170	14,383	1,755	8,693	37,392	28,999	2,706	58,803	5,963	2,727	338,616	121,142	24,831	3,160	2,414	2,158	6,606	.256	.325	.402	.727
13	Twins	8039-8405	.489	16,494	8,039	8,405	566,173	74,772	150,100	26,526	5,078	11,677	69,781	54,836	4,211	83,432	8,545	3,078	635,802	221,813	43,281	7,419	3,163	2,661	10,963	.265	.333	.392	.725
14	Diamondbacks	2105-2201	.489	4,306	2,105	2,201	146,921	19,681	37,428	7,688	1,063	4,588	18,751	14,316	1,415	32,519	2,495	897	165,176	61,006	13,339	1,323	1,201	1,088	3,072	.255	.324	.415	.740
15	Rays	2107-2197	.490	4,304	2,107	2,197	146,342	19,117	37,139	7,406	850	4,480	18,187	13,928	1,671	33,299	3,190	1,219	163,829	59,685	12,736	737	1,151	685	3,020	.254	.323	.408	.731
16	White Sox	8062-8369	.491	16,482	8,062	8,369	561,586	72,745	147,015	25,033	4,282	11,991	68,025	53,891	4,330	81,900	9,829	3,482	631,510	216,585	41,306	8,485	3,218	2,461	10,510	.262	.329	.386	.715
17	Cubs	8088-8362	.492	16,506	8,088	8,362	564,534	72,694	147,123	25,861	4,377	13,710	68,044	52,350	3,883	91,264	8,019	3,067	632,464	222,868	43,948	8,795	2,902	3,518	9,956	.261	.326	.395	.721
18	Pirates	8110-8326	.493	16,492	8,110	8,326	565,665	72,014	149,496	25,933	5,620	11,336	67,331	50,076	3,928	86,653	8,979	3,266	631,377	220,677	42,889	8,594	3,114	3,696	10,045	.264	.327	.390	.717
19	Angels	5034-5134	.495	10,171	5,034	5,134	345,092	44,000	88,302	15,263	1,808	9,193	41,402	32,269	2,816	62,588	6,042	3,097	386,480	134,760	26,264	3,536	2,767	2,482	7,870	.256	.322	.391	.713
20	Blue Jays	3777-3806	.498	7,586	3,777	3,806	259,903	35,059	67,582	13,507	1,491	8,239	33,253	24,098	2,423	48,869	4,568	1,962	290,043	108,788	23,237	1,497	2,122	1,397	5,916	.260	.326	.419	.745
21	Tigers	8224-8244	.499	16,522	8,224	8,244	566,015	76,868	149,749	26,033	4,816	14,191	72,001	57,289	3,649	86,780	7,669	2,935	637,733	227,987	45,040	7,677	3,103	2,446	10,703	.265	.334	.403	.737
22	Reds	8252-8199	.502	16,489	8,252	8,199	562,476	72,139	146,389	25,996	4,316	13,300	67,535	52,012	4,035	89,242	10,156	3,403	630,416	220,917	43,612	8,858	3,035	3,645	9,708	.260	.326	.393	.718
23	Astros	5026-4981	.502	10,012	5,026	4,981	339,776	42,698	86,612	15,882	2,171	8,410	40,183	32,309	2,893	62,819	7,146	3,130	381,716	132,066	26,463	4,027	2,711	3,144	7,396	.255	.323	.389	.711
24	Braves	8255-8172	.503	16,477	8,255	8,172	562,588	71,339	145,977	24,784	3,751	13,694	66,822	51,959	3,515	86,149	7,641	3,062	629,866	219,345	42,229	8,930	2,874	3,651	10,374	.259	.324	.390	.714
25	Red Sox	8425-8023	.512	16,486	8,425	8,023	567,442	78,757	152,371	29,529	4,108	14,106	74,024	59,044	3,918	85,535	6,866	2,546	640,899	232,434	47,743	7,157	3,338	2,996	11,542	.269	.340	.410	.749