Between the 1967 and 1976 seasons, the San Diego Padres had the lowest winning percentage by a team, winning 38.7 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	Padres	.387	498	788	1,286	43,100	4,334	10,207	1,565	259	822	4,014	3,727	215	7,585	603	357	48,021	14,756	2,646	730	249	396	931	.237	.299	.342	.642
2	Brewers	.425	547	741	1,290	42,920	4,879	10,376	1,577	257	942	4,560	4,360	249	7,509	747	508	48,466	15,293	2,776	640	297	323	949	.242	.313	.356	.670
3	Expos	.430	554	734	1,289	42,979	4,866	10,422	1,597	234	843	4,489	4,564	324	6,946	631	425	48,944	15,016	2,674	780	297	485	958	.242	.318	.349	.667
4	Rangers	.442	710	895	1,606	54,158	6,031	13,097	1,852	288	1,090	5,624	5,461	331	8,941	793	496	60,947	18,795	3,230	608	389	475	1,310	.242	.313	.347	.660
5	Indians	.460	739	867	1,607	54,261	5,957	13,357	1,975	267	1,235	5,550	4,672	300	8,134	704	583	60,276	19,571	3,477	654	389	421	1,251	.246	.307	.361	.668
6	White Sox	.461	742	866	1,611	54,291	6,012	13,438	1,978	317	1,054	5,563	5,117	386	8,615	872	537	60,874	19,212	3,349	675	405	470	1,235	.248	.315	.354	.669
7	Angels	.468	754	857	1,613	53,814	5,614	12,962	1,863	307	879	5,179	4,807	346	8,869	878	537	60,136	18,076	3,049	787	382	489	1,200	.241	.305	.336	.641
8	Phillies	.470	758	855	1,613	54,583	6,278	13,517	2,252	407	1,126	5,818	5,158	286	9,747	806	547	61,146	19,961	3,785	688	431	662	1,104	.248	.314	.366	.679
9	Astros	.479	771	839	1,611	54,523	6,472	13,647	2,236	431	991	5,987	5,308	318	8,907	1,042	527	61,308	19,718	3,658	740	419	674	1,198	.250	.318	.362	.680
10	Braves	.484	780	830	1,614	54,794	6,506	13,913	1,928	282	1,351	6,082	5,210	297	7,859	644	435	61,478	20,458	3,561	783	394	661	1,300	.254	.320	.373	.693
11	Royals	.498	641	646	1,288	43,548	5,225	11,101	1,819	336	739	4,879	4,329	241	6,178	1,065	539	48,973	15,809	2,894	481	374	362	992	.255	.323	.363	.686
12	Mets	.498	804	809	1,614	54,329	5,855	13,123	1,925	310	980	5,424	5,287	318	9,425	612	399	61,149	18,608	3,215	838	377	590	1,300	.242	.311	.343	.653
13	Cubs	.502	808	803	1,615	54,553	6,768	13,787	2,132	378	1,267	6,271	5,518	297	8,473	570	467	61,613	20,476	3,777	810	435	695	1,209	.253	.322	.375	.698
14	Giants	.514	828	784	1,613	54,641	6,790	13,653	2,128	379	1,262	6,263	5,862	390	9,282	856	412	62,039	20,325	3,769	757	389	678	1,223	.250	.325	.372	.697
15	Tigers	.514	828	782	1,613	54,202	6,421	13,324	1,961	356	1,482	5,991	5,182	384	8,460	444	359	60,761	20,443	3,799	605	388	482	1,295	.246	.314	.377	.691
16	Yankees	.521	838	769	1,612	54,120	6,228	13,467	2,028	325	1,076	5,831	5,283	273	7,751	888	521	60,707	19,373	3,429	588	443	456	1,187	.249	.316	.358	.674
17	Twins	.523	840	767	1,610	54,984	6,836	14,298	2,145	384	1,194	6,372	5,278	401	8,709	832	512	61,742	20,793	3,723	669	410	568	1,310	.260	.327	.378	.705
18	Cardinals	.525	847	765	1,614	55,499	6,535	14,539	2,275	463	858	6,053	4,891	302	8,260	1,155	508	61,827	20,314	3,596	686	449	692	1,281	.262	.323	.366	.689
19	Dodgers	.541	872	739	1,612	54,827	6,359	13,967	2,081	398	984	5,886	5,109	267	8,250	1,029	509	61,532	19,796	3,463	861	468	711	1,198	.255	.319	.361	.680
20	Red Sox	.542	873	738	1,611	54,383	7,142	13,996	2,396	341	1,492	6,682	5,645	332	8,684	731	511	61,473	21,550	4,229	642	471	524	1,278	.257	.328	.396	.725
21	Pirates	.548	883	729	1,614	56,123	7,070	15,096	2,301	529	1,200	6,563	4,427	345	8,781	720	359	62,004	22,055	4,030	650	459	758	1,264	.269	.324	.393	.717
22	Athletics	.549	884	726	1,611	54,045	6,706	13,354	2,061	327	1,319	6,199	5,494	429	9,334	1,493	683	61,104	20,026	3,707	723	413	513	1,060	.247	.319	.371	.690
23	Orioles	.580	931	673	1,604	54,128	6,779	13,523	2,169	316	1,361	6,324	5,887	420	8,797	987	470	61,616	20,407	3,846	710	471	581	1,176	.250	.326	.377	.703
24	Reds	.584	942	670	1,615	55,438	7,374	14,567	2,478	418	1,376	6,847	5,520	331	9,459	1,216	519	62,429	22,009	4,272	691	449	730	1,200	.263	.331	.397	.728