what mlb team had the lowest winning percentage between 1970 to 2000

Between the 1970 and 2000 seasons, the Tampa Bay Devil Rays had the worst winning percentage by a team, winning 41.4 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	.414	201	284	485	16,646	2,125	4,395	792	94	418	1,999	1,575	152	3,171	283	168	18,634	6,629	1,304	135	126	73	410	.264	.331	.398	.729
2	Marlins	.448	551	678	1,229	41,869	5,239	10,787	1,920	251	1,020	4,949	4,147	420	8,361	902	397	47,217	16,269	3,191	437	344	305	918	.258	.328	.389	.717
3	Mariners	.456	1,715	2,048	3,765	128,498	17,094	33,647	6,211	707	3,760	16,215	12,738	917	20,807	2,600	1,301	144,488	52,552	10,678	1,238	1,097	935	2,937	.262	.330	.409	.739
4	Padres	.462	2,263	2,632	4,897	165,987	19,478	41,809	6,895	1,032	3,481	18,159	15,567	897	28,641	3,610	1,731	186,190	61,211	11,408	2,508	1,231	1,840	3,613	.252	.317	.369	.686
5	Cubs	.476	2,324	2,558	4,889	167,143	21,077	43,178	7,347	1,102	4,191	19,738	15,661	908	27,904	2,964	1,586	187,283	65,302	12,640	2,221	1,350	1,770	3,584	.258	.323	.391	.714
6	Twins	.477	2,332	2,553	4,888	167,919	21,924	45,034	7,933	1,187	3,736	20,579	15,490	1,229	25,569	2,753	1,573	187,633	66,549	12,856	1,527	1,468	1,269	4,221	.268	.332	.396	.728
7	Rangers	.480	2,345	2,537	4,887	167,045	21,902	43,950	7,534	947	4,266	20,599	16,436	1,028	27,423	3,072	1,712	187,666	66,176	12,747	1,710	1,447	1,267	3,949	.263	.330	.396	.726
8	Rockies	.482	594	639	1,233	42,719	6,700	12,177	2,267	346	1,494	6,330	3,917	392	7,535	968	484	47,979	19,618	4,107	583	368	319	994	.285	.348	.459	.807
9	Brewers	.482	2,357	2,533	4,893	166,853	21,826	43,490	7,693	1,082	4,158	20,567	15,864	1,080	26,754	3,202	1,811	187,197	65,821	12,933	1,921	1,479	1,240	3,614	.261	.326	.394	.721
10	Indians	.484	2,360	2,515	4,877	167,123	22,193	44,558	7,444	917	4,318	20,831	16,254	1,018	25,094	3,390	1,838	187,627	66,790	12,679	1,685	1,547	1,181	4,031	.267	.333	.400	.732
11	Angels	.487	2,384	2,511	4,896	166,460	21,233	42,989	7,116	879	4,115	19,882	16,211	1,137	27,090	2,944	1,737	187,198	64,208	12,110	2,044	1,346	1,249	3,922	.258	.326	.386	.712
12	Phillies	.489	2,392	2,501	4,897	166,714	20,903	42,793	7,681	1,239	3,828	19,565	16,568	1,064	29,289	3,405	1,548	187,779	64,436	12,748	2,000	1,433	1,800	3,504	.257	.325	.387	.712
13	Expos	.491	2,402	2,486	4,892	165,695	20,017	42,023	7,823	1,131	3,668	18,638	15,403	1,178	27,843	4,084	1,814	185,981	63,112	12,622	2,436	1,269	1,854	3,429	.254	.319	.381	.700
14	Tigers	.493	2,409	2,482	4,892	166,897	22,333	43,235	7,294	1,069	5,029	21,051	17,084	1,111	27,971	2,650	1,554	187,914	67,754	13,392	1,408	1,414	1,158	3,763	.259	.329	.406	.735
15	Blue Jays	.496	1,867	1,897	3,767	129,317	17,130	33,992	6,453	938	3,628	16,132	11,845	1,051	21,236	2,728	1,278	144,272	53,205	11,019	973	1,086	844	2,863	.263	.327	.411	.739
16	White Sox	.496	2,421	2,457	4,887	166,529	22,016	43,899	7,406	1,132	4,218	20,678	16,067	1,118	25,667	3,240	1,647	187,049	66,223	12,756	1,779	1,556	1,310	3,830	.264	.330	.398	.727
17	Mets	.499	2,440	2,447	4,890	165,572	20,259	41,790	7,205	919	3,759	18,928	16,484	980	28,247	3,155	1,620	186,690	62,110	11,883	2,253	1,401	1,778	3,665	.252	.321	.375	.696
18	Giants	.501	2,454	2,444	4,898	166,175	21,316	42,308	7,200	1,104	4,213	19,895	17,153	1,072	29,563	3,408	1,770	188,136	64,355	12,517	2,441	1,295	1,966	3,455	.255	.326	.387	.713
19	Braves	.503	2,457	2,424	4,886	165,669	20,999	42,401	7,000	869	4,472	19,701	16,335	931	27,128	3,017	1,705	186,514	64,555	12,341	2,297	1,282	1,683	3,738	.256	.324	.390	.714
20	Cardinals	.507	2,478	2,408	4,894	166,767	20,995	43,670	7,600	1,358	3,120	19,604	16,187	932	27,291	4,854	2,021	187,521	63,346	12,078	2,205	1,430	1,833	3,632	.262	.328	.380	.708
21	Royals	.508	2,479	2,404	4,884	167,284	21,728	44,445	8,094	1,413	3,568	20,452	15,263	1,097	25,189	4,301	1,879	186,676	66,069	13,075	1,481	1,551	1,253	3,687	.266	.328	.395	.723
22	Astros	.510	2,497	2,399	4,897	166,567	20,752	42,877	7,614	1,265	3,373	19,399	16,094	1,153	27,745	4,443	1,934	187,540	63,140	12,252	2,311	1,415	1,917	3,421	.257	.325	.379	.704
23	Pirates	.510	2,491	2,392	4,888	167,540	21,304	43,926	7,982	1,345	3,755	19,995	15,080	1,097	27,748	3,721	1,724	187,423	65,863	13,082	2,200	1,506	1,907	3,500	.262	.324	.393	.718
24	Athletics	.512	2,505	2,387	4,892	165,203	22,162	42,031	6,984	810	4,770	20,760	17,741	1,187	28,798	4,244	1,959	187,397	64,945	12,564	1,787	1,479	1,165	3,674	.254	.328	.393	.722
25	Diamondbacks	.514	250	236	486	16,676	2,365	4,385	806	136	554	2,242	1,612	171	3,259	307	121	18,771	7,125	1,496	167	145	121	333	.263	.332	.427	.759