Between the 1998 and 2005 seasons, the Tampa Bay Devil Rays had the worst record by a team, with a record of 518-775.

	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	Devil Rays	518-775	.401	1,293	518	775	44,463	5,649	11,675	2,265	274	1,111	5,364	3,788	444	8,366	925	398	49,364	17,821	3,650	325	344	230	994	.263	.324	.401	.725
2	Tigers	520-774	.402	1,294	520	774	44,423	5,732	11,623	2,226	339	1,339	5,448	3,649	452	8,389	761	416	49,230	18,544	3,904	323	383	194	967	.262	.322	.417	.739
3	Royals	537-757	.415	1,294	537	757	44,666	6,172	12,008	2,249	300	1,165	5,812	3,812	482	7,566	863	354	49,770	18,352	3,714	376	434	218	1,050	.269	.330	.411	.741
4	Brewers	561-733	.434	1,295	561	733	44,068	5,703	11,270	2,292	206	1,348	5,442	4,416	521	9,568	710	335	49,861	18,018	3,846	537	319	353	1,032	.256	.329	.409	.737
5	Pirates	564-729	.436	1,294	564	729	43,969	5,629	11,316	2,226	273	1,193	5,340	3,949	611	8,711	758	364	49,438	17,667	3,692	566	343	311	916	.257	.325	.402	.727
6	Nationals	582-714	.449	1,296	582	714	43,707	5,490	11,221	2,411	262	1,193	5,206	3,915	417	8,225	692	382	49,014	17,735	3,866	671	304	431	1,020	.257	.322	.406	.727
7	Orioles	584-711	.451	1,297	584	711	44,666	6,130	11,934	2,377	174	1,412	5,834	4,138	474	7,428	835	374	50,000	18,895	3,963	327	395	246	1,073	.267	.333	.423	.756
8	Rockies	586-710	.452	1,296	586	710	44,848	6,827	12,599	2,506	329	1,482	6,472	4,282	409	8,207	675	360	50,507	20,209	4,317	597	371	347	1,045	.281	.346	.451	.797
9	Marlins	609-686	.470	1,295	609	686	44,161	5,716	11,586	2,295	279	1,147	5,397	4,135	474	8,588	983	426	49,647	17,880	3,721	516	361	353	987	.262	.330	.405	.735
10	Reds	620-677	.478	1,299	620	677	44,425	6,148	11,554	2,374	208	1,490	5,871	4,521	499	9,551	807	322	50,301	18,814	4,072	529	327	363	969	.260	.333	.424	.756
11	Padres	626-670	.483	1,296	626	670	44,047	5,792	11,314	2,173	247	1,171	5,498	4,793	362	8,713	811	353	49,954	17,494	3,591	379	373	320	1,012	.257	.332	.397	.729
12	Cubs	633-664	.488	1,297	633	664	44,341	6,041	11,536	2,237	229	1,579	5,771	4,366	380	9,017	552	280	50,079	18,968	4,045	643	349	398	992	.260	.329	.428	.757
13	Rangers	638-658	.492	1,296	638	658	45,269	7,017	12,493	2,486	245	1,806	6,705	4,371	428	8,315	622	290	50,721	20,887	4,537	253	400	271	1,034	.276	.343	.461	.804
14	Phillies	643-652	.497	1,295	643	652	44,474	6,156	11,713	2,422	275	1,308	5,840	4,876	400	8,869	869	283	50,634	18,609	4,005	511	373	435	935	.263	.339	.418	.757
15	Blue Jays	646-649	.499	1,296	646	649	44,916	6,528	12,068	2,527	234	1,530	6,225	4,205	600	8,590	786	327	50,306	19,653	4,291	203	382	264	1,019	.269	.337	.438	.774
16	Twins	646-647	.500	1,294	646	647	44,735	5,976	11,999	2,468	286	1,147	5,627	4,039	435	8,073	857	422	49,847	18,480	3,901	255	383	291	1,118	.268	.332	.413	.745
17	Diamondbacks	652-644	.503	1,296	652	644	44,443	6,030	11,637	2,262	324	1,405	5,749	4,420	413	8,449	666	301	50,134	18,762	3,991	490	368	404	963	.262	.332	.422	.754
18	Mets	656-639	.507	1,295	656	639	43,901	5,746	11,307	2,208	174	1,306	5,452	4,482	421	8,455	761	337	49,703	17,781	3,688	564	335	400	1,031	.258	.330	.405	.735
19	Dodgers	673-623	.519	1,296	673	623	43,987	5,751	11,277	2,047	210	1,394	5,482	4,140	449	8,342	824	354	49,452	17,926	3,651	552	324	320	972	.256	.324	.408	.732
20	Angels	675-621	.521	1,296	675	621	44,767	6,237	12,154	2,305	241	1,310	5,918	3,958	447	7,508	923	409	49,926	18,871	3,856	381	373	310	970	.271	.334	.422	.756
21	Mariners	680-615	.525	1,295	680	615	44,736	6,558	12,162	2,334	231	1,402	6,242	4,730	415	8,274	998	366	50,655	19,164	3,967	344	430	347	961	.272	.344	.428	.772
22	Indians	682-614	.526	1,296	682	614	44,813	6,792	12,206	2,480	240	1,581	6,474	4,752	466	8,457	776	374	50,788	19,909	4,301	345	412	269	1,067	.272	.345	.444	.790
23	White Sox	682-613	.527	1,297	682	613	44,391	6,667	12,008	2,343	227	1,669	6,365	4,169	435	7,584	846	375	49,794	19,812	4,239	398	401	211	1,009	.271	.336	.446	.783
24	Astros	716-580	.552	1,297	716	580	44,240	6,532	11,853	2,395	246	1,497	6,199	4,820	569	8,685	840	358	50,592	19,231	4,138	570	393	416	1,068	.268	.345	.435	.779
25	Giants	723-572	.558	1,296	723	572	44,283	6,478	11,907	2,401	251	1,499	6,178	5,053	431	7,906	588	304	50,803	19,307	4,151	635	401	593	1,046	.269	.347	.436	.783