Between the 2000 and 2010 seasons, the Kansas City Royals had the worst record by a team, with a record of 739-1043.

	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	739-1043	.415	1,782	739	1,043	61,363	8,118	16,400	3,174	401	1,491	7,651	5,024	638	10,760	1,026	460	68,047	24,849	5,066	493	529	311	1,488	.267	.327	.405	.732
2	Pirates	738-1041	.415	1,779	738	1,041	60,566	7,577	15,550	3,160	328	1,608	7,229	5,341	758	12,177	857	409	67,834	24,190	5,096	707	462	441	1,340	.257	.323	.399	.722
3	Orioles	764-1016	.429	1,782	764	1,016	61,436	8,122	16,361	3,262	262	1,766	7,727	5,378	610	10,511	1,140	462	68,338	25,445	5,290	391	523	342	1,471	.266	.329	.414	.743
4	Nationals	780-1001	.438	1,781	780	1,001	60,147	7,553	15,399	3,232	331	1,592	7,192	5,810	609	12,035	987	494	67,871	24,069	5,155	851	454	561	1,445	.256	.326	.400	.726
5	Rays	790-989	.444	1,779	790	989	60,831	8,107	15,809	3,160	381	1,771	7,726	5,697	617	12,392	1,505	534	68,050	25,044	5,312	398	507	335	1,237	.260	.327	.412	.739
6	Tigers	810-972	.455	1,782	810	972	61,501	8,287	16,383	3,123	474	1,877	7,910	5,298	555	11,794	898	448	68,330	26,085	5,474	472	504	325	1,389	.266	.328	.424	.752
7	Brewers	818-963	.459	1,782	818	963	60,583	7,997	15,478	3,236	321	2,004	7,650	5,935	779	13,484	972	413	68,412	25,368	5,561	654	461	504	1,372	.255	.328	.419	.746
8	Reds	842-940	.473	1,784	842	940	60,908	8,232	15,707	3,190	257	2,097	7,868	6,107	713	13,096	1,043	420	68,936	25,702	5,544	758	450	511	1,308	.258	.330	.422	.752
9	Rockies	852-931	.478	1,783	852	931	61,237	9,089	16,732	3,386	476	1,927	8,617	6,303	598	12,415	1,069	484	69,525	26,851	5,789	869	518	531	1,364	.273	.344	.438	.783
10	Padres	859-924	.482	1,783	859	924	60,778	7,745	15,480	3,010	346	1,610	7,364	6,321	528	12,429	978	400	68,756	24,012	4,966	622	507	485	1,374	.255	.328	.395	.723
11	Rangers	866-916	.486	1,782	866	916	62,049	9,255	16,845	3,463	330	2,317	8,836	5,751	601	12,064	923	347	69,318	27,919	6,110	382	535	368	1,370	.271	.337	.450	.786
12	Diamondbacks	870-912	.488	1,782	870	912	60,784	8,095	15,703	3,281	436	1,873	7,753	6,126	550	12,355	887	382	68,640	25,475	5,590	663	517	546	1,312	.258	.329	.419	.748
13	Cubs	882-898	.496	1,780	882	898	61,026	8,178	16,021	3,263	311	1,989	7,801	5,796	544	12,213	832	373	68,666	25,873	5,563	833	467	505	1,403	.263	.330	.424	.754
14	Indians	885-897	.497	1,782	885	897	61,384	8,838	16,412	3,436	302	2,008	8,429	6,212	752	12,311	865	421	69,309	26,476	5,746	441	520	389	1,430	.267	.339	.431	.771
15	Blue Jays	890-891	.500	1,781	890	891	61,520	8,658	16,364	3,527	318	2,053	8,269	5,650	706	11,461	816	323	68,672	26,686	5,898	269	527	337	1,469	.266	.332	.434	.766
16	Marlins	891-889	.501	1,780	891	889	60,756	8,167	15,991	3,293	369	1,807	7,737	5,774	713	12,876	1,234	504	68,451	25,443	5,469	720	488	532	1,278	.263	.332	.419	.751
17	Mets	894-886	.502	1,780	894	886	60,506	7,951	15,665	3,074	331	1,761	7,535	5,936	573	11,511	1,285	435	68,316	24,684	5,166	802	499	592	1,358	.259	.328	.408	.736
18	Mariners	898-884	.504	1,782	898	884	61,485	8,214	16,481	3,092	301	1,634	7,781	5,652	567	11,100	1,261	453	68,717	25,077	5,027	475	538	480	1,382	.268	.333	.408	.740
19	Astros	908-873	.510	1,782	908	873	60,579	8,259	15,871	3,150	331	1,921	7,882	5,915	701	11,610	990	433	68,490	25,446	5,402	808	487	507	1,458	.262	.332	.420	.752
20	Dodgers	942-840	.529	1,782	942	840	60,727	7,991	15,853	2,987	350	1,732	7,603	5,894	605	11,363	1,119	473	68,429	24,736	5,069	738	465	552	1,438	.261	.330	.407	.738
21	White Sox	945-838	.530	1,783	945	838	60,760	8,877	16,191	3,099	246	2,331	8,513	5,694	668	11,023	1,120	529	68,152	26,775	5,676	517	513	302	1,452	.266	.333	.441	.774
22	Phillies	947-834	.532	1,781	947	834	61,302	8,750	16,065	3,347	382	2,054	8,330	6,739	695	12,452	1,240	321	69,895	26,338	5,783	668	491	679	1,256	.262	.339	.430	.769
23	Giants	947-832	.532	1,780	947	832	60,626	8,184	15,959	3,236	406	1,822	7,780	6,036	567	10,937	795	361	68,562	25,473	5,464	814	519	789	1,484	.263	.333	.420	.753
24	Twins	957-826	.537	1,783	957	826	61,540	8,502	16,750	3,333	424	1,613	8,028	5,708	559	10,858	1,095	482	68,783	25,770	5,370	419	557	456	1,572	.272	.337	.419	.755
25	Athletics	971-809	.546	1,780	971	809	61,103	8,544	15,876	3,271	244	1,878	8,146	6,642	618	11,394	770	269	69,174	25,269	5,393	284	527	352	1,511	.260	.336	.414	.749