Since June 4, 1997, the Kansas City Royals have the worst record by a team, with a record of 1961-2513.

	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	1961-2513	.438	4,474	1,961	2,513	153,302	19,643	40,095	7,748	995	3,926	18,625	12,205	1,538	29,854	3,139	1,124	169,372	61,611	12,669	1,020	1,307	682	3,468	.262	.320	.402	.722
2	Pirates	2003-2465	.448	4,470	2,003	2,465	151,395	18,714	38,032	7,584	873	4,058	17,840	13,474	1,860	33,869	2,489	1,082	169,373	59,536	12,515	1,506	1,138	953	3,201	.251	.318	.393	.711
3	Rockies	2032-2442	.454	4,474	2,032	2,442	153,609	21,823	41,226	8,234	1,131	5,006	20,780	14,101	1,366	34,079	2,463	1,093	171,963	66,740	14,371	1,703	1,184	1,038	3,389	.268	.333	.434	.767
4	Marlins	2052-2417	.459	4,469	2,052	2,417	151,948	18,842	38,645	7,483	867	4,126	17,873	13,527	1,623	34,466	2,829	1,100	169,702	60,240	12,476	1,490	1,114	1,029	3,342	.254	.320	.396	.716
5	Orioles	2066-2408	.462	4,476	2,066	2,408	153,636	20,318	39,741	7,793	564	5,213	19,415	13,234	1,572	31,618	2,335	915	170,419	64,301	13,570	784	1,193	691	3,460	.259	.322	.419	.740
6	Tigers	2087-2382	.467	4,469	2,087	2,382	153,227	20,032	39,912	7,691	1,042	4,665	19,156	13,172	1,425	33,246	2,162	1,006	169,852	63,682	13,398	810	1,218	743	3,418	.260	.322	.416	.738
7	Nationals	2098-2374	.469	4,472	2,098	2,374	151,186	19,351	38,524	7,888	771	4,453	18,397	14,084	1,614	32,484	2,702	1,102	169,677	61,313	13,112	1,679	1,114	1,137	3,393	.255	.323	.406	.728
8	Reds	2138-2337	.478	4,477	2,138	2,337	151,823	20,092	38,367	7,616	686	5,081	19,177	14,796	1,822	34,966	2,928	1,099	171,131	62,598	13,383	1,592	1,098	1,035	3,176	.253	.324	.412	.737
9	White Sox	2153-2321	.481	4,476	2,153	2,321	152,408	20,314	39,343	7,445	661	5,128	19,439	13,143	1,635	32,040	2,545	1,116	169,344	63,494	13,234	991	1,167	634	3,473	.258	.321	.417	.738
10	Padres	2163-2312	.483	4,475	2,163	2,312	151,059	19,029	37,531	7,273	793	4,301	18,094	15,043	1,355	34,194	2,863	1,034	169,964	59,293	12,367	1,330	1,177	965	3,255	.248	.320	.393	.712
11	Diamondbacks	2133-2235	.488	4,368	2,133	2,235	149,024	19,993	37,961	7,787	1,077	4,686	19,058	14,524	1,447	33,014	2,531	912	167,554	61,960	13,550	1,335	1,224	1,096	3,113	.255	.324	.416	.740
12	Rays	2141-2225	.490	4,366	2,141	2,225	148,445	19,434	37,697	7,503	856	4,557	18,484	14,101	1,691	33,803	3,272	1,245	166,152	60,583	12,916	747	1,168	693	3,058	.254	.323	.408	.731
13	Twins	2207-2264	.494	4,472	2,207	2,264	153,419	20,597	39,965	8,053	860	4,497	19,528	14,185	1,544	32,093	2,432	1,022	171,148	63,229	13,410	743	1,257	833	3,522	.260	.327	.412	.739
14	Rangers	2214-2262	.495	4,476	2,214	2,262	153,998	22,079	40,535	7,984	742	5,549	21,027	14,102	1,570	32,929	2,721	1,010	171,773	66,650	14,275	829	1,274	784	3,265	.263	.329	.433	.762
15	Brewers	2214-2260	.495	4,475	2,214	2,260	151,409	19,972	38,178	7,656	739	5,056	19,072	14,824	1,838	35,520	2,965	1,056	170,573	62,480	13,451	1,413	1,089	1,024	3,363	.252	.324	.413	.737
16	Cubs	2227-2245	.498	4,473	2,227	2,245	152,180	20,276	38,751	7,713	819	5,053	19,314	14,686	1,673	34,615	2,272	972	171,142	63,261	13,585	1,511	1,092	1,071	3,297	.255	.325	.416	.741
17	Mariners	2240-2231	.501	4,471	2,240	2,231	152,682	20,086	38,914	7,357	644	4,893	19,143	14,323	1,638	33,338	2,874	1,045	170,710	62,238	12,894	889	1,178	871	3,211	.255	.323	.408	.731
18	Blue Jays	2254-2220	.504	4,475	2,254	2,220	153,195	21,253	39,661	8,320	638	5,465	20,307	14,474	1,657	32,039	2,346	886	171,207	65,652	14,423	661	1,220	688	3,531	.259	.327	.429	.756
19	Mets	2272-2201	.508	4,473	2,272	2,201	151,672	19,798	38,479	7,592	713	4,697	18,892	14,869	1,760	32,479	2,685	970	170,930	61,588	13,002	1,476	1,153	1,197	3,367	.254	.325	.406	.731
20	Phillies	2274-2199	.508	4,473	2,274	2,199	152,915	20,586	39,114	7,838	908	4,868	19,609	15,187	1,635	33,833	2,899	817	172,269	63,372	13,614	1,392	1,140	1,242	3,093	.256	.327	.414	.742
21	Athletics	2272-2198	.508	4,470	2,272	2,198	152,072	20,535	38,074	7,832	635	4,951	19,548	15,778	1,601	32,755	2,170	733	171,314	62,029	13,418	665	1,198	679	3,516	.250	.325	.408	.733
22	Angels	2292-2183	.512	4,475	2,292	2,183	152,776	20,644	39,729	7,577	728	4,803	19,634	13,737	1,584	30,962	2,946	1,208	170,279	63,171	13,108	935	1,247	961	3,454	.260	.325	.413	.739
23	Guardians	2336-2136	.522	4,472	2,336	2,136	152,667	21,285	39,748	8,230	715	4,928	20,271	15,230	1,702	32,166	2,836	1,035	171,883	64,192	13,873	949	1,335	872	3,406	.260	.332	.420	.752
24	Giants	2337-2136	.522	4,474	2,337	2,136	152,307	19,950	39,059	7,837	927	4,404	18,979	14,822	1,442	31,817	2,106	902	171,375	61,962	13,168	1,531	1,273	1,385	3,483	.256	.326	.407	.733
25	Astros	2340-2130	.523	4,471	2,340	2,130	152,154	20,857	39,469	7,905	710	5,083	19,868	14,797	1,734	32,370	2,760	1,094	171,256	64,043	13,698	1,339	1,232	972	3,556	.259	.330	.421	.750