Since 2001, the Kansas City Royals have the worst record by a team, with a record of 1742-2206.

	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	1742-2206	.441	3,948	1,742	2,206	134,852	17,010	34,967	6,850	857	3,465	16,139	10,527	1,372	26,794	2,731	973	148,706	53,926	11,172	850	1,105	586	3,041	.259	.317	.400	.717
2	Rockies	1770-2179	.448	3,949	1,770	2,179	135,159	18,808	35,780	7,198	986	4,352	17,933	12,328	1,221	31,248	2,152	912	151,158	58,006	12,536	1,436	1,014	890	2,955	.265	.329	.429	.759
3	Pirates	1769-2174	.449	3,944	1,769	2,174	133,370	16,264	33,253	6,634	744	3,575	15,522	11,882	1,609	30,430	2,062	924	149,072	52,100	10,953	1,236	975	839	2,830	.249	.316	.391	.707
4	Orioles	1806-2140	.458	3,948	1,806	2,140	135,363	17,626	34,667	6,796	504	4,565	16,855	11,307	1,393	28,914	2,037	757	149,722	56,166	11,865	642	1,017	572	2,992	.256	.318	.415	.733
5	Marlins	1831-2114	.464	3,945	1,831	2,114	134,031	16,562	34,012	6,609	754	3,698	15,724	11,743	1,455	30,776	2,448	925	149,484	53,223	11,061	1,290	965	906	2,951	.254	.319	.397	.716
6	Tigers	1849-2094	.469	3,943	1,849	2,094	135,014	17,520	35,017	6,697	933	4,072	16,764	11,524	1,228	29,968	1,773	796	149,535	55,796	11,702	697	1,072	659	3,011	.259	.321	.413	.734
7	Reds	1859-2089	.471	3,949	1,859	2,089	133,697	17,485	33,476	6,626	583	4,494	16,681	12,951	1,667	31,557	2,491	934	150,606	54,750	11,703	1,344	947	882	2,775	.250	.322	.410	.732
8	White Sox	1876-2072	.475	3,948	1,876	2,072	134,164	17,520	34,240	6,456	535	4,541	16,806	11,353	1,503	29,300	2,154	953	148,831	55,389	11,532	834	977	526	3,040	.255	.318	.413	.731
9	Nationals	1877-2069	.476	3,946	1,877	2,069	133,251	17,108	33,863	6,870	646	3,923	16,270	12,625	1,445	29,346	2,496	943	149,732	53,794	11,439	1,395	1,016	986	3,016	.254	.323	.404	.727
10	Padres	1902-2047	.482	3,949	1,902	2,047	133,152	16,602	32,928	6,375	698	3,790	15,786	12,989	1,239	30,522	2,419	849	149,592	52,069	10,863	1,184	1,028	819	2,838	.247	.318	.391	.709
11	Diamondbacks	1917-2031	.486	3,948	1,917	2,031	134,575	17,931	34,136	7,088	959	4,205	17,106	13,112	1,311	30,312	2,278	809	151,289	55,757	12,252	1,187	1,104	984	2,825	.254	.324	.414	.738
12	Rangers	1947-2002	.493	3,949	1,947	2,002	135,483	19,103	35,136	6,941	635	4,893	18,202	12,206	1,462	29,814	2,453	847	150,930	58,026	12,469	688	1,091	659	2,781	.259	.325	.428	.753
13	Mets	1965-1981	.498	3,946	1,965	1,981	133,741	17,261	33,685	6,660	644	4,175	16,492	12,783	1,618	29,273	2,428	776	150,358	54,158	11,479	1,228	988	1,025	2,927	.252	.322	.405	.727
14	Rays	1967-1980	.498	3,947	1,967	1,980	134,025	17,575	33,839	6,804	769	4,216	16,742	12,712	1,557	31,239	3,060	1,093	149,970	54,829	11,789	618	1,058	622	2,691	.252	.322	.409	.731
15	Mariners	1974-1974	.500	3,948	1,974	1,974	134,593	17,190	33,915	6,380	558	4,143	16,358	12,193	1,498	29,952	2,537	891	150,015	53,840	11,081	725	1,006	755	2,817	.252	.319	.400	.719
16	Brewers	1984-1964	.503	3,948	1,984	1,964	133,388	17,646	33,550	6,731	660	4,548	16,847	12,952	1,649	32,024	2,717	900	150,119	55,245	11,939	1,184	946	884	2,957	.252	.323	.414	.737
17	Twins	1985-1964	.503	3,949	1,985	1,964	135,260	18,205	35,043	7,067	732	4,149	17,268	12,569	1,409	29,025	2,085	842	150,993	56,021	11,948	675	1,080	728	3,049	.259	.326	.414	.740
18	Blue Jays	1988-1959	.504	3,947	1,988	1,959	134,965	18,607	34,783	7,291	565	4,779	17,777	12,665	1,421	28,488	1,893	701	150,673	57,541	12,635	553	1,069	574	3,163	.258	.326	.426	.752
19	Cubs	1996-1950	.506	3,947	1,996	1,950	134,079	17,766	33,978	6,864	711	4,468	16,932	12,827	1,547	30,985	2,029	823	150,661	55,668	12,043	1,240	968	910	2,888	.253	.324	.415	.739
20	Athletics	2015-1932	.511	3,947	2,015	1,932	134,199	17,741	33,387	6,929	566	4,306	16,908	13,429	1,412	29,138	1,914	624	150,620	54,366	11,801	518	1,062	588	3,076	.249	.321	.405	.726
21	Angels	2024-1924	.513	3,948	2,024	1,924	134,494	17,997	34,693	6,604	632	4,238	17,124	11,887	1,451	27,933	2,651	1,023	149,706	55,275	11,474	779	1,095	848	3,019	.258	.323	.411	.733
22	Giants	2036-1909	.516	3,946	2,036	1,909	134,147	17,063	34,048	6,845	825	3,782	16,235	12,533	1,290	28,565	1,756	733	150,324	53,889	11,452	1,253	1,101	1,188	3,061	.254	.321	.402	.723
23	Astros	2044-1902	.518	3,947	2,044	1,902	134,180	17,956	34,481	6,907	596	4,481	17,128	12,544	1,486	28,840	2,233	878	150,342	56,023	11,984	1,095	1,037	771	3,111	.257	.325	.418	.743
24	Guardians	2044-1901	.518	3,945	2,044	1,901	134,211	18,200	34,386	7,182	615	4,233	17,366	13,000	1,557	28,867	2,399	859	150,712	55,497	12,030	803	1,141	763	2,941	.256	.326	.414	.740
25	Phillies	2050-1897	.519	3,947	2,050	1,897	134,869	18,190	34,360	6,871	771	4,467	17,367	13,283	1,496	30,437	2,552	680	151,769	56,174	12,109	1,140	981	1,103	2,717	.255	.326	.417	.743