Since 2001, the Kansas City Royals have the worst record by a team, with a record of 1698-2166.

	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	1698-2166	.439	3,864	1,698	2,166	132,040	16,621	34,271	6,685	850	3,362	15,759	10,279	1,328	26,225	2,682	957	145,573	52,742	10,897	839	1,087	579	2,984	.260	.317	.399	.716
2	Pirates	1730-2131	.448	3,862	1,730	2,131	130,642	15,943	32,616	6,490	737	3,512	15,213	11,614	1,584	29,705	2,018	910	146,031	51,116	10,739	1,231	960	831	2,776	.250	.316	.391	.708
3	Rockies	1745-2120	.451	3,865	1,745	2,120	132,356	18,487	35,092	7,068	974	4,269	17,623	12,142	1,202	30,482	2,106	892	148,118	56,915	12,311	1,423	995	890	2,894	.265	.330	.430	.760
4	Orioles	1765-2097	.457	3,864	1,765	2,097	132,543	17,259	34,016	6,658	494	4,463	16,503	11,042	1,355	28,146	1,971	736	146,578	55,051	11,615	640	998	565	2,950	.257	.318	.415	.733
5	Marlins	1783-2076	.462	3,859	1,783	2,076	131,081	16,159	33,276	6,460	736	3,610	15,341	11,488	1,419	30,138	2,369	906	146,215	52,038	10,806	1,286	941	898	2,903	.254	.319	.397	.716
6	Tigers	1811-2049	.469	3,860	1,811	2,049	132,231	17,153	34,345	6,582	912	3,970	16,417	11,270	1,197	29,206	1,740	786	146,441	54,661	11,464	696	1,047	654	2,966	.260	.321	.413	.735
7	Reds	1817-2048	.470	3,866	1,817	2,048	130,895	17,135	32,797	6,508	570	4,415	16,355	12,694	1,642	30,829	2,450	927	147,493	53,690	11,493	1,338	924	874	2,719	.251	.322	.410	.733
8	White Sox	1841-2024	.476	3,865	1,841	2,024	131,371	17,145	33,558	6,333	532	4,436	16,439	11,115	1,470	28,633	2,124	948	145,740	54,263	11,301	823	961	522	2,978	.255	.318	.413	.731
9	Nationals	1844-2019	.477	3,863	1,844	2,019	130,466	16,760	33,190	6,741	628	3,845	15,936	12,406	1,426	28,586	2,431	923	146,684	52,722	11,214	1,391	995	979	2,962	.254	.324	.404	.728
10	Padres	1854-2011	.480	3,865	1,854	2,011	130,329	16,231	32,207	6,237	691	3,706	15,430	12,724	1,202	29,909	2,368	834	146,417	50,944	10,634	1,154	1,008	809	2,789	.247	.318	.391	.708
11	Diamondbacks	1877-1987	.486	3,864	1,877	1,987	131,747	17,546	33,438	6,954	938	4,104	16,736	12,851	1,266	29,601	2,214	787	148,098	54,580	11,996	1,163	1,071	972	2,768	.254	.324	.414	.738
12	Rangers	1904-1962	.492	3,866	1,904	1,962	132,625	18,701	34,447	6,804	628	4,796	17,814	11,938	1,428	29,121	2,382	832	147,742	56,895	12,228	680	1,071	646	2,730	.260	.325	.429	.754
13	Mariners	1924-1939	.498	3,863	1,924	1,939	131,734	16,782	33,227	6,253	553	4,010	15,970	11,923	1,449	29,187	2,453	875	146,803	52,616	10,816	712	985	733	2,761	.252	.319	.399	.718
14	Mets	1928-1935	.499	3,863	1,928	1,935	130,925	16,844	32,971	6,522	638	4,055	16,086	12,500	1,579	28,564	2,342	768	147,179	52,934	11,215	1,216	959	1,011	2,874	.252	.322	.404	.727
15	Brewers	1930-1935	.499	3,865	1,930	1,935	130,519	17,206	32,776	6,581	650	4,454	16,436	12,659	1,608	31,405	2,649	873	146,882	54,019	11,685	1,175	921	879	2,900	.251	.323	.414	.737
16	Rays	1933-1930	.500	3,863	1,933	1,930	131,178	17,232	33,136	6,687	759	4,118	16,414	12,488	1,539	30,496	2,970	1,068	146,849	53,695	11,564	609	1,035	615	2,634	.253	.323	.409	.732
17	Blue Jays	1935-1927	.501	3,862	1,935	1,927	132,053	18,139	33,986	7,129	556	4,667	17,323	12,391	1,385	27,909	1,854	688	147,411	56,228	12,352	534	1,048	562	3,090	.257	.325	.426	.751
18	Cubs	1950-1912	.505	3,863	1,950	1,912	131,278	17,392	33,291	6,736	697	4,358	16,572	12,544	1,523	30,324	1,959	804	147,518	54,495	11,791	1,236	937	903	2,851	.254	.324	.415	.739
19	Twins	1952-1913	.505	3,865	1,952	1,913	132,456	17,857	34,387	6,941	720	4,046	16,943	12,305	1,368	28,301	2,008	822	147,858	54,906	11,707	667	1,062	723	2,994	.260	.327	.415	.741
20	Athletics	1971-1894	.510	3,865	1,971	1,894	131,389	17,343	32,674	6,764	559	4,185	16,523	13,183	1,386	28,393	1,877	606	147,504	53,111	11,508	504	1,042	579	3,033	.249	.321	.404	.726
21	Angels	1990-1874	.515	3,864	1,990	1,874	131,719	17,654	34,072	6,494	623	4,126	16,794	11,607	1,406	27,067	2,600	1,011	146,583	54,190	11,243	773	1,078	836	2,963	.259	.323	.411	.734
22	Guardians	1995-1864	.517	3,859	1,995	1,864	131,380	17,843	33,757	7,048	604	4,140	17,016	12,738	1,524	28,148	2,331	842	147,543	54,433	11,792	785	1,116	744	2,910	.257	.327	.414	.742
23	Giants	1999-1862	.518	3,862	1,999	1,862	131,328	16,690	33,381	6,719	809	3,685	15,876	12,257	1,252	27,838	1,730	725	147,155	52,773	11,213	1,247	1,071	1,180	3,010	.254	.321	.402	.723
24	Phillies	2001-1862	.518	3,863	2,001	1,862	132,006	17,781	33,618	6,728	758	4,338	16,966	13,029	1,466	29,707	2,494	665	148,588	54,876	11,824	1,131	956	1,093	2,669	.255	.326	.416	.742
25	Astros	2002-1860	.518	3,863	2,002	1,860	131,310	17,603	33,783	6,773	591	4,383	16,790	12,302	1,450	28,145	2,193	869	147,170	54,887	11,747	1,088	1,020	763	3,053	.257	.325	.418	.743