Since 1998, the Kansas City Royals have the worst record by a team, with a record of 1891-2413.

	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	1891-2413	.439	4,304	1,891	2,413	147,417	18,917	38,570	7,464	958	3,759	17,927	11,704	1,487	28,695	3,029	1,068	162,849	59,227	12,181	973	1,268	649	3,372	.262	.320	.402	.722
2	Pirates	1926-2374	.448	4,302	1,926	2,374	145,725	18,013	36,578	7,303	834	3,929	17,170	13,007	1,786	32,584	2,343	1,030	163,054	57,336	12,066	1,448	1,088	928	3,087	.251	.318	.393	.711
3	Rockies	1964-2342	.456	4,306	1,964	2,342	147,842	21,014	39,671	7,952	1,083	4,786	20,013	13,605	1,308	32,772	2,349	1,030	165,548	64,147	13,821	1,646	1,147	1,012	3,255	.268	.333	.434	.767
4	Marlins	1962-2338	.456	4,300	1,962	2,338	146,237	18,087	37,188	7,210	837	3,976	17,151	12,901	1,575	33,263	2,711	1,049	163,213	58,000	12,023	1,435	1,065	996	3,212	.254	.319	.397	.716
5	Orioles	1975-2327	.459	4,304	1,975	2,327	147,732	19,534	38,226	7,494	543	5,013	18,664	12,680	1,502	30,426	2,253	885	163,802	61,845	13,050	750	1,138	657	3,345	.259	.321	.419	.740
6	Tigers	1996-2304	.464	4,300	1,996	2,304	147,489	19,220	38,437	7,399	1,007	4,472	18,381	12,609	1,362	31,919	2,040	952	163,413	61,266	12,878	789	1,164	716	3,299	.261	.322	.415	.738
7	Nationals	2026-2278	.471	4,304	2,026	2,278	145,471	18,668	37,117	7,568	738	4,285	17,738	13,639	1,543	31,315	2,619	1,050	163,355	59,016	12,591	1,620	1,082	1,098	3,287	.255	.323	.406	.729
8	Reds	2052-2255	.476	4,309	2,052	2,255	146,177	19,384	36,953	7,342	664	4,910	18,509	14,284	1,777	33,655	2,782	1,050	164,837	60,353	12,916	1,538	1,061	1,006	3,064	.253	.325	.413	.738
9	White Sox	2075-2229	.482	4,306	2,075	2,229	146,733	19,608	37,914	7,169	634	4,978	18,770	12,611	1,596	30,904	2,448	1,077	163,003	61,285	12,781	949	1,114	603	3,347	.258	.322	.418	.739
10	Padres	2081-2224	.483	4,305	2,081	2,224	145,212	18,240	35,991	6,995	772	4,143	17,341	14,417	1,319	32,998	2,726	985	163,344	56,959	11,910	1,276	1,120	926	3,124	.248	.319	.392	.711
11	Diamondbacks	2104-2201	.489	4,305	2,104	2,201	146,881	19,670	37,416	7,684	1,063	4,588	18,740	14,310	1,414	32,510	2,492	897	165,128	60,990	13,335	1,323	1,200	1,088	3,071	.255	.324	.415	.740
12	Rays	2106-2197	.489	4,303	2,106	2,197	146,298	19,110	37,123	7,405	850	4,479	18,180	13,923	1,671	33,287	3,188	1,219	163,780	59,665	12,734	737	1,151	685	3,020	.254	.323	.408	.731
13	Brewers	2124-2181	.493	4,306	2,124	2,181	145,697	19,263	36,727	7,372	718	4,904	18,397	14,316	1,774	34,376	2,827	993	164,201	60,247	12,994	1,376	1,038	1,001	3,251	.252	.324	.414	.738
14	Twins	2131-2174	.495	4,306	2,131	2,174	147,705	19,823	38,478	7,773	827	4,321	18,792	13,734	1,471	30,837	2,311	974	164,855	60,868	12,921	732	1,213	811	3,414	.261	.327	.412	.739
15	Rangers	2136-2171	.496	4,307	2,136	2,171	148,101	21,257	38,996	7,690	719	5,353	20,244	13,584	1,515	31,658	2,609	970	165,225	64,183	13,762	803	1,222	749	3,155	.263	.329	.433	.762
16	Cubs	2147-2158	.499	4,306	2,147	2,158	146,493	19,523	37,256	7,437	783	4,881	18,592	14,212	1,643	33,493	2,130	919	164,853	60,902	13,101	1,456	1,049	1,036	3,186	.254	.325	.416	.741
17	Mariners	2150-2153	.500	4,303	2,150	2,153	146,871	19,216	37,372	7,073	626	4,630	18,299	13,731	1,576	32,029	2,780	1,006	164,154	59,587	12,329	844	1,132	827	3,083	.254	.323	.406	.728
18	Blue Jays	2165-2139	.503	4,305	2,165	2,139	147,452	20,485	38,207	8,033	607	5,288	19,575	13,918	1,593	30,863	2,231	847	164,749	63,318	13,928	623	1,163	657	3,420	.259	.327	.429	.757
19	Mets	2183-2121	.507	4,304	2,183	2,121	145,959	19,020	37,026	7,327	691	4,504	18,144	14,301	1,679	31,275	2,578	916	164,473	59,247	12,522	1,434	1,100	1,153	3,230	.254	.325	.406	.731
20	Phillies	2190-2114	.509	4,304	2,190	2,114	147,190	19,824	37,621	7,545	873	4,717	18,891	14,634	1,583	32,636	2,782	766	165,827	61,063	13,135	1,331	1,089	1,211	2,998	.256	.327	.415	.742
21	Angels	2202-2102	.512	4,304	2,202	2,102	146,925	19,802	38,220	7,304	701	4,597	18,838	13,100	1,514	29,686	2,837	1,142	163,637	60,717	12,602	905	1,193	928	3,325	.260	.325	.413	.738
22	Athletics	2209-2095	.513	4,304	2,209	2,095	146,378	19,799	36,621	7,547	611	4,755	18,847	15,184	1,549	31,394	2,086	700	164,902	59,655	12,913	625	1,166	660	3,386	.250	.325	.408	.732
23	Astros	2245-2057	.522	4,303	2,245	2,057	146,448	20,033	37,953	7,611	675	4,910	19,096	14,196	1,634	31,187	2,604	1,035	164,732	61,644	13,196	1,278	1,176	927	3,437	.259	.329	.421	.750
24	Giants	2248-2056	.522	4,305	2,248	2,056	146,596	19,155	37,622	7,564	890	4,219	18,226	14,185	1,386	30,576	1,999	863	164,860	59,623	12,673	1,476	1,217	1,329	3,357	.257	.326	.407	.732
25	Guardians	2251-2051	.523	4,302	2,251	2,051	146,902	20,492	38,231	7,934	691	4,731	19,524	14,665	1,656	31,008	2,697	977	165,413	61,740	13,356	905	1,285	841	3,273	.260	.332	.420	.752