Between the 1998 and 2023 seasons, the Kansas City Royals had the worst record by a team, with a record of 1787-2321.

	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	1787-2321	.435	4,108	1,787	2,321	140,879	18,073	36,969	7,143	919	3,571	17,107	11,184	1,423	27,293	2,869	1,024	155,632	56,663	11,633	945	1,201	622	3,263	.262	.320	.402	.723
2	Pirates	1838-2266	.448	4,106	1,838	2,266	139,122	17,234	35,044	7,026	812	3,744	16,415	12,397	1,712	30,791	2,198	1,004	155,696	54,926	11,582	1,431	1,034	909	2,953	.252	.319	.395	.713
3	Orioles	1871-2237	.455	4,110	1,871	2,237	141,131	18,625	36,603	7,195	506	4,740	17,790	12,100	1,422	28,791	2,137	854	156,481	59,030	12,441	744	1,084	641	3,249	.259	.322	.418	.740
4	Marlins	1887-2219	.460	4,106	1,887	2,219	139,611	17,305	35,564	6,911	811	3,796	16,403	12,402	1,510	31,568	2,560	996	155,942	55,485	11,518	1,403	1,016	976	3,078	.255	.320	.397	.718
5	Tigers	1889-2215	.460	4,104	1,889	2,215	140,905	18,372	36,878	7,111	954	4,266	17,564	12,012	1,298	30,154	1,949	926	156,110	58,695	12,331	781	1,114	701	3,192	.262	.323	.417	.740
6	Rockies	1897-2214	.461	4,111	1,897	2,214	141,306	20,229	38,128	7,626	1,052	4,580	19,256	13,058	1,244	30,819	2,248	993	158,327	61,598	13,258	1,623	1,096	989	3,110	.270	.335	.436	.770
7	Nationals	1940-2168	.472	4,108	1,940	2,168	138,967	17,861	35,540	7,255	714	4,115	16,979	13,079	1,457	29,820	2,360	967	156,125	56,568	12,084	1,587	1,035	1,087	3,156	.256	.324	.407	.731
8	Reds	1957-2154	.476	4,113	1,957	2,154	139,704	18,510	35,435	7,031	632	4,700	17,678	13,664	1,675	31,910	2,538	993	157,572	57,830	12,363	1,518	1,011	996	2,960	.254	.325	.414	.739
9	Padres	1967-2144	.478	4,111	1,967	2,144	138,646	17,351	34,266	6,689	751	3,925	16,497	13,858	1,254	31,702	2,577	948	156,077	54,232	11,365	1,239	1,080	904	2,969	.247	.319	.391	.710
10	Diamondbacks	1998-2112	.486	4,110	1,998	2,112	140,249	18,619	35,692	7,346	1,020	4,334	17,735	13,610	1,317	30,990	2,345	861	157,578	58,080	12,700	1,283	1,119	1,067	2,937	.254	.324	.414	.738
11	Rays	2011-2097	.490	4,108	2,011	2,097	139,812	18,382	35,619	7,109	824	4,305	17,497	13,326	1,585	31,528	2,971	1,160	156,559	57,291	12,238	727	1,109	670	2,905	.255	.324	.410	.734
12	Brewers	2015-2094	.490	4,110	2,015	2,094	139,092	18,325	35,097	7,079	681	4,699	17,513	13,601	1,712	32,648	2,570	941	156,751	57,635	12,459	1,352	994	977	3,134	.252	.324	.414	.739
13	White Sox	2025-2084	.493	4,111	2,025	2,084	140,279	18,982	36,497	6,901	624	4,819	18,169	12,101	1,545	29,219	2,335	1,037	155,931	59,103	12,344	927	1,079	594	3,213	.260	.323	.421	.745
14	Twins	2035-2074	.495	4,110	2,035	2,074	141,089	18,953	36,861	7,404	800	4,111	17,968	13,163	1,349	29,261	2,226	944	157,481	58,198	12,315	722	1,158	795	3,278	.261	.328	.412	.740
15	Rangers	2042-2069	.497	4,111	2,042	2,069	141,539	20,469	37,450	7,424	701	5,146	19,489	13,016	1,451	30,107	2,484	937	157,986	61,714	13,271	795	1,185	727	3,038	.265	.330	.436	.766
16	Cubs	2043-2066	.497	4,110	2,043	2,066	139,851	18,579	35,620	7,121	745	4,659	17,692	13,531	1,563	31,859	1,943	883	157,377	58,208	12,525	1,434	998	1,014	3,084	.255	.325	.416	.741
17	Mariners	2045-2064	.498	4,109	2,045	2,064	140,458	18,373	35,908	6,802	611	4,396	17,498	13,021	1,440	30,130	2,603	966	156,834	57,120	11,809	824	1,091	811	2,959	.256	.323	.407	.730
18	Mets	2072-2037	.504	4,109	2,072	2,037	139,342	18,093	35,392	6,986	668	4,259	17,257	13,670	1,569	29,646	2,453	889	157,057	56,491	11,913	1,424	1,052	1,136	3,100	.254	.325	.405	.731
19	Blue Jays	2075-2034	.505	4,110	2,075	2,034	140,947	19,698	36,640	7,698	580	5,109	18,824	13,303	1,501	29,391	2,136	823	157,462	60,825	13,387	604	1,107	635	3,271	.260	.328	.432	.760
20	Phillies	2076-2033	.505	4,109	2,076	2,033	140,544	18,890	35,918	7,210	843	4,488	18,001	13,990	1,509	31,008	2,604	730	158,401	58,278	12,541	1,316	1,042	1,184	2,867	.256	.327	.415	.742
21	Athletics	2122-1986	.517	4,108	2,122	1,986	139,789	19,009	35,061	7,256	587	4,514	18,088	14,587	1,493	29,640	1,977	669	157,594	57,033	12,357	604	1,121	649	3,250	.251	.326	.408	.734
22	Angels	2126-1984	.517	4,110	2,126	1,984	140,515	19,051	36,765	7,036	683	4,388	18,128	12,550	1,416	27,964	2,687	1,088	156,523	58,331	12,107	891	1,151	920	3,187	.262	.326	.415	.741
23	Astros	2140-1969	.521	4,110	2,140	1,969	139,856	19,165	36,249	7,304	655	4,692	18,274	13,647	1,555	29,752	2,490	1,004	157,440	58,939	12,651	1,261	1,121	894	3,282	.259	.329	.421	.751
24	Guardians	2140-1968	.521	4,108	2,140	1,968	140,524	19,658	36,722	7,647	671	4,508	18,735	14,098	1,557	29,544	2,525	923	158,288	59,235	12,826	883	1,226	806	3,145	.261	.333	.422	.754
25	Giants	2147-1961	.523	4,109	2,147	1,961	140,022	18,307	36,066	7,243	855	4,007	17,419	13,568	1,327	28,833	1,910	833	157,542	57,040	12,105	1,462	1,163	1,312	3,226	.258	.327	.407	.734