Between the 1994 and 2003 seasons, the Tampa Bay Devil Rays had the lowest winning percentage by a team, winning 39.3 percent of the time.

	TEAM	W%	W	L	G	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	.393	381	589	970	33,428	4,185	8,740	1,698	188	809	3,962	2,907	320	6,432	642	307	37,148	13,241	2,695	256	237	172	764	.261	.324	.396	.720
2	Tigers	.401	622	931	1,553	53,029	7,055	13,651	2,628	347	1,670	6,695	4,942	502	10,523	976	529	59,311	21,983	4,645	363	475	259	1,179	.257	.324	.415	.738
3	Pirates	.443	688	864	1,553	52,882	6,865	13,674	2,720	331	1,384	6,482	4,859	622	10,400	1,045	473	59,439	21,208	4,435	667	409	387	1,059	.259	.326	.401	.727
4	Brewers	.444	689	864	1,554	53,221	7,205	13,866	2,755	285	1,578	6,850	5,382	570	10,527	861	441	60,173	21,925	4,618	577	423	365	1,203	.261	.333	.412	.745
5	Royals	.451	699	852	1,551	53,580	7,447	14,412	2,692	383	1,389	7,000	4,868	504	9,052	1,328	539	59,971	22,037	4,464	505	514	293	1,168	.269	.333	.411	.744
6	Phillies	.468	727	827	1,554	53,108	6,963	13,833	2,847	349	1,348	6,564	5,540	448	10,372	1,001	375	60,177	21,422	4,544	641	440	465	1,128	.260	.333	.403	.736
7	Twins	.468	726	824	1,551	53,812	7,454	14,709	3,035	374	1,295	7,008	4,942	536	9,743	1,132	524	60,027	22,377	4,704	247	490	332	1,367	.273	.338	.416	.754
8	Cubs	.470	731	823	1,554	53,030	7,201	13,684	2,598	300	1,719	6,821	5,236	448	10,813	819	413	59,892	22,039	4,617	770	408	463	1,180	.258	.328	.416	.743
9	Marlins	.472	733	820	1,553	52,922	6,850	13,784	2,620	326	1,395	6,482	5,229	554	10,560	1,201	528	59,721	21,241	4,341	580	436	422	1,157	.260	.331	.401	.732
10	Padres	.476	741	816	1,557	53,254	7,053	13,857	2,591	255	1,409	6,663	5,598	408	10,603	1,112	482	60,200	21,185	4,255	500	440	428	1,275	.260	.333	.398	.731
11	Expos	.476	740	814	1,554	52,743	6,854	13,736	2,971	318	1,471	6,455	4,619	520	9,941	978	464	59,000	21,756	4,760	742	376	496	1,173	.260	.324	.412	.736
12	Rockies	.480	747	810	1,557	53,922	8,496	15,313	2,926	420	1,915	8,040	5,156	515	9,795	1,120	538	60,745	24,824	5,261	698	454	415	1,258	.284	.349	.460	.810
13	Orioles	.485	752	799	1,554	53,345	7,613	14,197	2,739	227	1,819	7,250	5,406	567	8,902	951	420	60,185	22,847	4,785	374	493	333	1,265	.266	.337	.428	.766
14	Blue Jays	.489	760	795	1,556	53,874	7,662	14,307	2,992	294	1,828	7,296	5,101	673	10,392	1,060	391	60,411	23,371	5,114	301	462	327	1,191	.266	.334	.434	.768
15	Rangers	.491	763	791	1,555	54,187	8,331	15,060	2,931	292	1,989	7,942	5,499	453	9,868	813	384	61,021	24,542	5,212	371	511	365	1,273	.278	.346	.453	.799
16	Angels	.493	767	788	1,555	53,744	7,575	14,565	2,720	264	1,660	7,190	5,171	482	9,249	921	510	60,289	22,793	4,644	442	450	357	1,198	.271	.338	.424	.762
17	Reds	.501	779	776	1,557	53,183	7,363	13,973	2,768	299	1,692	6,982	5,340	504	10,844	1,328	523	60,153	22,415	4,759	692	434	458	1,122	.263	.333	.421	.755
18	Mets	.506	785	767	1,552	52,833	7,026	13,762	2,563	252	1,488	6,643	5,261	496	10,120	778	461	59,745	21,293	4,303	710	445	480	1,210	.260	.331	.403	.734
19	White Sox	.516	800	751	1,554	53,465	8,126	14,711	2,777	322	1,847	7,743	5,578	412	8,715	1,029	416	60,476	23,673	4,946	487	534	368	1,237	.275	.345	.443	.788
20	Cardinals	.518	804	748	1,554	52,975	7,529	13,995	2,727	293	1,723	7,142	5,523	547	10,488	1,081	459	60,211	22,477	4,743	713	453	537	1,166	.264	.337	.424	.762
21	Athletics	.524	814	739	1,553	53,217	8,000	13,909	2,756	205	1,925	7,603	6,222	563	10,229	735	318	60,799	22,850	4,886	330	467	337	1,227	.261	.342	.429	.772
22	Dodgers	.530	823	731	1,554	52,940	6,916	13,695	2,345	285	1,621	6,563	4,911	424	10,135	1,120	464	59,392	21,473	4,251	724	393	429	1,121	.259	.324	.406	.730
23	Giants	.539	837	717	1,555	53,133	7,671	14,014	2,687	315	1,788	7,291	6,010	500	10,219	960	434	60,839	22,695	4,790	737	459	650	1,140	.264	.341	.427	.769
24	Diamondbacks	.539	524	448	972	33,349	4,719	8,817	1,676	259	1,079	4,497	3,373	323	6,333	546	243	37,694	14,248	3,014	363	286	315	694	.264	.335	.427	.762
25	Astros	.542	843	712	1,555	53,372	7,915	14,369	2,943	294	1,640	7,479	5,896	732	10,501	1,287	525	61,172	22,820	4,877	683	489	562	1,230	.269	.347	.428	.775