Since 2006, the Miami Marlins have the worst record by a team, with a record of 1362-1665.

	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	1362-1665	.450	3,027	1,362	1,665	102,826	12,455	25,791	4,948	563	2,850	11,836	8,835	1,105	24,836	1,748	631	114,397	40,415	8,361	922	709	644	2,242	.251	.315	.393	.708
2	Royals	1366-1667	.450	3,033	1,366	1,667	103,539	12,824	26,773	5,255	665	2,609	12,191	7,937	1,014	21,286	2,187	721	113,936	41,185	8,529	605	841	434	2,333	.259	.315	.398	.713
3	Pirates	1371-1659	.452	3,031	1,371	1,659	102,523	12,453	25,439	5,105	566	2,751	11,895	9,133	1,182	24,076	1,602	672	114,471	39,929	8,422	886	747	622	2,190	.248	.315	.389	.704
4	Rockies	1381-1652	.455	3,033	1,381	1,652	103,763	14,261	27,252	5,481	763	3,323	13,614	9,384	903	24,778	1,685	677	115,883	44,228	9,567	1,052	781	667	2,228	.263	.327	.426	.753
5	Orioles	1397-1633	.461	3,030	1,397	1,633	103,876	13,494	26,497	5,160	372	3,623	12,915	8,608	1,037	23,215	1,438	518	114,695	43,270	9,155	425	749	413	2,289	.255	.316	.417	.733
6	White Sox	1402-1630	.462	3,032	1,402	1,630	103,097	13,018	26,080	4,867	408	3,329	12,479	8,508	1,165	23,508	1,624	704	114,042	41,750	8,604	553	719	392	2,350	.253	.315	.405	.720
7	Reds	1442-1591	.475	3,033	1,442	1,591	102,528	13,325	25,589	5,014	460	3,442	12,722	9,838	1,283	24,326	1,992	735	115,398	41,849	8,916	1,010	739	645	2,109	.250	.321	.408	.729
8	Nationals	1454-1575	.480	3,029	1,454	1,575	102,455	13,266	26,063	5,200	478	3,114	12,616	9,778	1,139	23,244	1,944	675	115,107	41,561	8,792	952	783	668	2,284	.254	.324	.406	.730
9	Diamondbacks	1462-1570	.482	3,032	1,462	1,570	103,232	13,754	25,991	5,465	744	3,217	13,103	9,961	1,015	24,229	1,847	601	115,883	42,595	9,426	835	840	687	2,123	.252	.321	.413	.734
10	Padres	1465-1566	.483	3,031	1,465	1,566	101,929	12,552	24,865	4,854	529	2,996	11,938	9,692	961	24,445	1,927	634	114,236	39,765	8,379	900	754	608	2,124	.244	.313	.390	.704
11	Mariners	1480-1550	.488	3,030	1,480	1,550	102,881	12,738	25,376	4,764	396	3,252	12,136	9,072	1,170	23,962	1,794	644	114,331	40,688	8,412	502	706	480	2,135	.247	.313	.395	.708
12	Athletics	1482-1549	.489	3,031	1,482	1,549	102,594	13,226	25,137	5,148	448	3,232	12,585	10,153	1,056	23,365	1,621	496	115,002	40,877	8,828	392	807	371	2,346	.245	.317	.398	.716
13	Tigers	1492-1537	.493	3,029	1,492	1,537	103,849	13,610	27,013	5,219	670	3,154	13,047	9,029	924	23,736	1,284	539	115,056	43,034	9,043	466	788	524	2,349	.260	.323	.414	.737
14	Twins	1501-1532	.495	3,033	1,501	1,532	103,667	13,935	26,645	5,331	544	3,198	13,249	9,747	1,049	22,943	1,463	556	115,775	42,658	9,073	478	834	523	2,311	.257	.325	.411	.736
15	Rangers	1509-1525	.497	3,034	1,509	1,525	103,577	14,320	26,662	5,225	476	3,573	13,616	9,280	1,097	23,535	2,009	685	115,333	43,558	9,274	550	829	479	2,127	.257	.323	.421	.743
16	Cubs	1528-1502	.504	3,031	1,528	1,502	102,907	13,604	25,914	5,242	558	3,329	12,939	9,923	1,267	24,645	1,606	645	115,620	42,259	9,129	814	709	642	2,206	.252	.323	.411	.734
17	Blue Jays	1530-1501	.505	3,031	1,530	1,501	103,279	14,050	26,326	5,541	374	3,782	13,439	9,794	999	22,432	1,455	521	115,287	43,961	9,697	428	787	399	2,419	.255	.323	.426	.749
18	Giants	1535-1496	.506	3,031	1,535	1,496	103,044	12,764	25,889	5,192	642	2,740	12,133	9,202	964	22,852	1,416	563	114,877	40,585	8,574	846	821	738	2,331	.251	.316	.394	.710
19	Mets	1539-1493	.508	3,032	1,539	1,493	102,805	13,358	25,897	5,153	521	3,218	12,774	9,909	1,276	23,005	1,840	582	115,638	41,746	8,892	873	775	759	2,221	.252	.323	.406	.729
20	Angels	1539-1492	.508	3,031	1,539	1,492	102,925	13,673	26,247	5,036	463	3,322	13,023	9,210	1,078	22,414	1,921	737	114,567	42,175	8,821	527	827	620	2,364	.255	.320	.410	.730
21	Astros	1542-1487	.509	3,029	1,542	1,487	102,975	13,603	26,312	5,250	431	3,439	12,996	9,442	1,080	22,660	1,768	683	114,997	42,741	9,120	711	789	512	2,390	.256	.322	.415	.737
22	Phillies	1564-1467	.516	3,031	1,564	1,467	103,485	13,785	26,118	5,158	600	3,438	13,164	9,837	1,191	23,943	1,936	488	116,060	42,790	9,196	823	724	776	2,075	.252	.322	.413	.736
23	Brewers	1576-1458	.519	3,034	1,576	1,458	102,386	13,645	25,624	5,112	513	3,576	13,037	9,981	1,261	25,003	2,151	665	115,194	42,490	9,201	844	722	651	2,226	.250	.322	.415	.737
24	Guardians	1580-1448	.522	3,028	1,580	1,448	102,816	13,797	26,198	5,491	454	3,169	13,142	9,985	1,199	22,726	1,936	609	115,442	42,104	9,114	563	879	574	2,219	.255	.325	.410	.735
25	Rays	1601-1431	.528	3,032	1,601	1,431	102,570	13,563	25,633	5,169	576	3,394	12,914	10,195	1,232	25,099	2,300	830	115,223	42,136	9,139	413	813	455	2,036	.250	.323	.411	.734