Since 2001, the Kansas City Royals have the worst record by a team, with a record of 1738-2204.

	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	1738-2204	.441	3,942	1,738	2,204	134,639	16,975	34,912	6,835	857	3,459	16,107	10,506	1,369	26,747	2,725	972	148,468	53,838	11,151	850	1,104	585	3,039	.259	.317	.400	.717
2	Pirates	1765-2172	.448	3,938	1,765	2,172	133,162	16,242	33,204	6,622	744	3,570	15,501	11,867	1,606	30,372	2,059	922	148,846	52,024	10,936	1,236	975	839	2,825	.249	.316	.391	.707
3	Rockies	1770-2173	.449	3,943	1,770	2,173	134,966	18,795	35,745	7,190	985	4,347	17,920	12,318	1,220	31,180	2,151	912	150,953	57,946	12,522	1,435	1,014	890	2,951	.265	.330	.429	.759
4	Orioles	1804-2136	.458	3,942	1,804	2,136	135,177	17,605	34,633	6,792	503	4,556	16,835	11,284	1,389	28,856	2,033	755	149,507	56,099	11,851	642	1,015	572	2,989	.256	.318	.415	.733
5	Marlins	1828-2111	.464	3,939	1,828	2,111	133,837	16,545	33,972	6,604	752	3,695	15,708	11,729	1,450	30,732	2,441	922	149,270	53,165	11,051	1,290	964	906	2,949	.254	.319	.397	.716
6	Tigers	1847-2090	.469	3,937	1,847	2,090	134,815	17,505	34,973	6,692	933	4,067	16,749	11,504	1,227	29,898	1,772	795	149,314	55,732	11,692	697	1,071	659	3,006	.259	.321	.413	.734
7	Reds	1856-2086	.471	3,943	1,856	2,086	133,492	17,466	33,427	6,619	583	4,488	16,663	12,932	1,665	31,495	2,490	934	150,378	54,676	11,690	1,344	945	882	2,768	.250	.322	.410	.732
8	White Sox	1874-2068	.475	3,942	1,874	2,068	133,958	17,491	34,191	6,447	535	4,532	16,777	11,341	1,501	29,249	2,151	953	148,607	55,304	11,514	833	974	526	3,039	.255	.318	.413	.731
9	Nationals	1875-2066	.476	3,941	1,875	2,066	133,086	17,087	33,825	6,866	646	3,910	16,249	12,615	1,445	29,291	2,493	942	149,557	53,713	11,422	1,395	1,016	986	3,010	.254	.323	.404	.727
10	Padres	1897-2046	.481	3,943	1,897	2,046	132,947	16,565	32,875	6,369	698	3,780	15,750	12,968	1,238	30,474	2,418	848	149,362	51,980	10,847	1,182	1,027	817	2,837	.247	.318	.391	.709
11	Diamondbacks	1916-2026	.486	3,942	1,916	2,026	134,375	17,913	34,089	7,079	958	4,200	17,090	13,087	1,309	30,248	2,274	807	151,057	55,684	12,237	1,185	1,101	982	2,820	.254	.324	.414	.738
12	Rangers	1945-1998	.493	3,943	1,945	1,998	135,283	19,081	35,099	6,933	635	4,888	18,182	12,198	1,459	29,756	2,451	845	150,718	57,966	12,456	687	1,091	658	2,780	.259	.325	.428	.753
13	Mets	1962-1978	.498	3,940	1,962	1,978	133,538	17,234	33,641	6,653	644	4,166	16,466	12,762	1,617	29,222	2,421	776	150,132	54,080	11,463	1,227	988	1,025	2,925	.252	.322	.405	.727
14	Rays	1966-1975	.499	3,941	1,966	1,975	133,819	17,557	33,789	6,797	769	4,211	16,725	12,695	1,556	31,182	3,054	1,093	149,745	54,757	11,777	618	1,057	622	2,686	.252	.322	.409	.731
15	Mariners	1971-1971	.500	3,942	1,971	1,971	134,396	17,165	33,867	6,371	558	4,135	16,334	12,174	1,491	29,881	2,529	891	149,790	53,759	11,064	724	1,005	752	2,816	.252	.319	.400	.719
16	Twins	1982-1961	.503	3,943	1,982	1,961	135,060	18,188	34,999	7,059	731	4,142	17,251	12,554	1,408	28,960	2,078	838	150,776	55,946	11,932	674	1,080	728	3,046	.259	.326	.414	.740
17	Brewers	1982-1960	.503	3,942	1,982	1,960	133,189	17,630	33,512	6,722	660	4,545	16,831	12,927	1,645	31,971	2,712	899	149,890	55,189	11,927	1,183	946	883	2,952	.252	.323	.414	.738
18	Blue Jays	1984-1957	.503	3,941	1,984	1,957	134,775	18,577	34,740	7,281	563	4,770	17,748	12,645	1,419	28,443	1,890	700	150,460	57,457	12,614	552	1,069	574	3,159	.258	.326	.426	.752
19	Cubs	1992-1948	.506	3,941	1,992	1,948	133,878	17,723	33,923	6,854	709	4,454	16,892	12,809	1,546	30,930	2,023	823	150,439	55,557	12,017	1,239	967	909	2,885	.253	.324	.415	.739
20	Athletics	2012-1929	.511	3,941	2,012	1,929	133,999	17,717	33,337	6,914	566	4,301	16,885	13,410	1,411	29,082	1,913	623	150,398	54,286	11,781	517	1,061	588	3,073	.249	.321	.405	.726
21	Angels	2022-1920	.513	3,942	2,022	1,920	134,306	17,979	34,658	6,599	632	4,229	17,108	11,871	1,451	27,877	2,649	1,022	149,502	55,208	11,460	779	1,095	848	3,014	.258	.323	.411	.734
22	Giants	2032-1907	.516	3,940	2,032	1,907	133,953	17,032	34,001	6,836	823	3,773	16,207	12,511	1,288	28,524	1,754	731	150,103	53,802	11,432	1,253	1,098	1,187	3,061	.254	.321	.402	.723
23	Guardians	2040-1899	.518	3,939	2,040	1,899	134,020	18,173	34,344	7,170	614	4,228	17,340	12,983	1,555	28,812	2,392	858	150,498	55,426	12,012	801	1,139	762	2,940	.256	.327	.414	.740
24	Astros	2041-1899	.518	3,941	2,041	1,899	133,977	17,929	34,437	6,897	596	4,471	17,102	12,527	1,482	28,787	2,226	876	150,117	55,939	11,964	1,095	1,036	771	3,108	.257	.325	.418	.743
25	Phillies	2046-1895	.519	3,941	2,046	1,895	134,666	18,168	34,315	6,866	771	4,455	17,345	13,271	1,496	30,371	2,548	679	151,551	56,088	12,092	1,139	979	1,102	2,714	.255	.326	.416	.743