Since 2002, the Kansas City Royals have the worst record by a team, with a record of 1677-2109.

	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	Royals	1677-2109	.443	3,786	1,677	2,109	129,209	16,281	33,464	6,573	820	3,313	15,448	10,121	1,328	25,896	2,631	931	142,530	51,616	10,706	814	1,058	555	2,907	.259	.317	.399	.716
2	Rockies	1697-2090	.448	3,787	1,697	2,090	129,469	17,885	34,117	6,874	925	4,139	17,059	11,817	1,160	30,221	2,020	858	144,765	55,258	11,938	1,355	964	840	2,839	.264	.328	.427	.755
3	Pirates	1707-2074	.451	3,782	1,707	2,074	127,972	15,607	31,920	6,378	719	3,414	14,904	11,415	1,542	29,324	1,969	851	143,045	49,978	10,511	1,176	940	788	2,716	.249	.316	.391	.707
4	Orioles	1743-2042	.461	3,786	1,743	2,042	129,891	16,939	33,308	6,534	480	4,429	16,192	10,793	1,316	27,925	1,904	704	143,572	54,089	11,443	604	968	546	2,871	.256	.318	.416	.734
5	Marlins	1755-2028	.464	3,783	1,755	2,028	128,489	15,820	32,551	6,284	724	3,532	15,011	11,273	1,388	29,631	2,359	885	143,300	50,879	10,540	1,230	920	863	2,833	.253	.318	.396	.714
6	Tigers	1783-1998	.472	3,781	1,783	1,998	129,477	16,796	33,578	6,406	873	3,933	16,073	11,058	1,177	28,996	1,640	735	143,391	53,529	11,212	656	1,023	633	2,891	.259	.321	.413	.734
7	Reds	1793-1993	.474	3,787	1,793	1,993	128,114	16,750	32,012	6,322	561	4,318	15,991	12,483	1,602	30,385	2,388	880	144,384	52,410	11,201	1,278	907	835	2,645	.250	.322	.409	.731
8	White Sox	1793-1993	.474	3,786	1,793	1,993	128,700	16,722	32,777	6,156	506	4,327	16,036	10,833	1,451	28,302	2,031	894	142,681	52,926	10,989	771	926	495	2,912	.255	.318	.411	.729
9	Nationals	1809-1975	.478	3,784	1,809	1,975	127,872	16,438	32,502	6,550	618	3,792	15,648	12,147	1,385	28,275	2,395	892	143,706	51,664	10,960	1,331	971	927	2,865	.254	.323	.404	.727
10	Padres	1823-1964	.481	3,787	1,823	1,964	127,670	15,813	31,549	6,102	672	3,629	15,033	12,311	1,198	29,249	2,290	805	143,314	49,882	10,403	1,155	980	782	2,717	.247	.317	.391	.708
11	Diamondbacks	1825-1961	.482	3,786	1,825	1,961	128,980	17,113	32,642	6,804	924	3,997	16,330	12,525	1,254	29,260	2,207	771	144,943	53,285	11,725	1,116	1,068	911	2,720	.253	.323	.413	.736
12	Mariners	1858-1928	.491	3,786	1,858	1,928	128,913	16,263	32,278	6,070	520	3,974	15,477	11,579	1,436	28,963	2,363	849	143,541	51,310	10,564	677	936	701	2,705	.250	.317	.398	.715
13	Rangers	1874-1913	.495	3,787	1,874	1,913	129,798	18,213	33,570	6,615	612	4,647	17,358	11,658	1,387	28,721	2,356	815	144,542	55,350	11,874	663	1,036	632	2,650	.259	.324	.426	.750
14	Mets	1883-1901	.498	3,784	1,883	1,901	128,282	16,619	32,324	6,387	626	4,028	15,884	12,238	1,553	28,211	2,362	728	144,202	52,047	11,041	1,176	953	966	2,803	.252	.322	.406	.728
15	Twins	1900-1887	.502	3,787	1,900	1,887	129,700	17,434	33,529	6,739	694	3,985	16,551	12,074	1,345	27,942	1,939	775	144,811	53,611	11,418	650	1,042	686	2,925	.259	.326	.413	.739
16	Rays	1905-1880	.503	3,785	1,905	1,880	128,501	16,903	32,413	6,493	748	4,095	16,097	12,256	1,503	30,123	2,945	1,041	143,866	52,687	11,336	573	1,033	598	2,561	.252	.322	.410	.732
17	Blue Jays	1908-1877	.504	3,785	1,908	1,877	129,302	17,840	33,294	7,004	529	4,584	17,049	12,195	1,347	27,394	1,737	646	144,389	55,108	12,117	519	1,026	527	3,052	.257	.326	.426	.752
18	Cubs	1908-1876	.504	3,785	1,908	1,876	128,673	16,989	32,569	6,596	679	4,274	16,184	12,250	1,481	29,908	1,962	787	144,442	53,345	11,549	1,123	915	838	2,756	.253	.323	.415	.738
19	Athletics	1913-1872	.505	3,785	1,913	1,872	128,626	16,857	31,918	6,595	544	4,107	16,073	12,789	1,324	28,117	1,846	595	144,235	51,922	11,246	493	1,003	531	2,945	.248	.320	.404	.724
20	Brewers	1916-1870	.506	3,786	1,916	1,870	127,900	16,906	32,172	6,458	630	4,339	16,135	12,464	1,577	30,625	2,651	864	143,971	52,907	11,427	1,119	911	840	2,855	.252	.324	.414	.737
21	Giants	1946-1837	.514	3,784	1,946	1,837	128,535	16,264	32,555	6,541	785	3,547	15,460	11,908	1,240	27,475	1,699	691	143,916	51,307	10,873	1,186	1,047	1,109	2,953	.253	.320	.399	.719
22	Angels	1949-1837	.515	3,786	1,949	1,837	128,943	17,306	33,246	6,329	606	4,080	16,462	11,393	1,374	26,932	2,535	971	143,485	53,027	11,015	733	1,042	814	2,910	.258	.322	.411	.734
23	Astros	1951-1833	.516	3,785	1,951	1,833	128,652	17,109	32,981	6,594	567	4,273	16,323	11,963	1,397	27,721	2,169	829	144,017	53,528	11,434	1,024	981	719	2,983	.256	.324	.416	.740
24	Guardians	1953-1830	.516	3,783	1,953	1,830	128,611	17,303	32,827	6,888	578	4,021	16,498	12,423	1,488	27,791	2,320	818	144,355	52,934	11,487	754	1,079	731	2,815	.255	.325	.412	.737
25	Phillies	1964-1821	.519	3,785	1,964	1,821	129,372	17,444	32,929	6,576	742	4,303	16,659	12,732	1,453	29,312	2,399	633	145,550	53,898	11,621	1,073	920	1,051	2,613	.255	.326	.417	.743