Since 2015, the Miami Marlins have the fewest wins by a team, with 683 wins.

Interpreted as:

fewest regular-season wins by an MLB team since 2015

	TEAM	W	L	W%	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	Marlins	683	893	.433	1,576	53,349	6,265	13,236	2,410	257	1,445	5,960	4,254	587	13,206	912	319	58,870	20,495	4,112	329	351	241	1,217	.248	.309	.384	.693
2	White Sox	685	894	.434	1,579	53,566	6,528	13,280	2,536	219	1,641	6,250	4,188	609	13,632	735	283	58,936	21,177	4,396	236	337	134	1,167	.248	.308	.395	.703
3	Rockies	692	888	.438	1,580	53,889	7,332	13,857	2,803	373	1,805	7,027	4,565	470	13,909	742	302	59,662	22,821	4,981	355	383	270	1,163	.257	.319	.423	.742
4	Tigers	706	870	.448	1,576	53,432	6,547	13,188	2,544	352	1,584	6,270	4,480	495	13,803	669	272	58,909	21,188	4,480	124	378	165	1,130	.247	.309	.397	.706
5	Reds	707	874	.447	1,581	53,103	6,945	13,027	2,507	257	1,853	6,639	5,078	749	13,588	1,127	378	59,616	21,607	4,617	321	365	229	1,120	.245	.318	.407	.725
6	Royals	712	867	.451	1,579	53,407	6,619	13,425	2,606	332	1,534	6,310	4,075	558	12,131	1,172	364	58,726	21,297	4,472	247	439	161	1,110	.251	.309	.399	.708
7	Pirates	719	859	.456	1,579	53,272	6,517	13,011	2,560	299	1,467	6,209	4,864	636	13,167	858	341	59,474	20,570	4,326	327	375	280	1,089	.244	.313	.386	.699
8	Orioles	722	856	.458	1,578	53,695	6,981	13,312	2,574	195	2,028	6,690	4,423	583	13,527	683	233	59,224	22,360	4,797	152	371	140	1,092	.248	.310	.416	.727
9	Athletics	730	851	.462	1,581	53,219	6,818	12,753	2,647	218	1,882	6,514	5,021	627	13,249	742	227	59,386	21,482	4,747	145	374	147	1,214	.240	.311	.404	.714
10	Angels	731	848	.463	1,579	53,033	6,847	12,876	2,432	209	1,901	6,535	4,838	647	12,869	822	306	59,086	21,429	4,542	188	380	260	1,179	.243	.312	.404	.716
11	Rangers	753	827	.477	1,580	53,345	7,191	13,070	2,501	216	1,938	6,843	4,875	639	13,590	1,032	334	59,435	21,817	4,655	185	391	172	982	.245	.314	.409	.723
12	Diamondbacks	762	817	.483	1,579	53,796	7,378	13,427	2,769	393	1,796	7,008	5,212	581	13,252	1,044	265	60,375	22,370	4,958	339	447	277	1,094	.250	.320	.416	.736
13	Padres	764	814	.484	1,578	52,857	6,761	12,819	2,489	238	1,771	6,453	4,971	519	13,363	978	327	59,066	21,097	4,498	342	377	231	1,100	.243	.312	.399	.711
14	Nationals	767	812	.486	1,579	53,211	7,179	13,563	2,712	231	1,748	6,845	5,094	637	12,337	1,092	346	59,718	21,981	4,691	354	422	322	1,172	.255	.325	.413	.738
15	Phillies	780	799	.494	1,579	53,464	7,034	13,254	2,617	289	1,836	6,713	4,997	580	13,617	952	268	59,674	21,957	4,742	278	355	275	1,071	.248	.317	.411	.728
16	Giants	795	785	.503	1,580	53,591	6,773	13,161	2,660	286	1,609	6,476	5,038	565	13,259	683	257	59,867	21,220	4,555	259	414	282	1,172	.246	.315	.396	.711
17	Twins	796	783	.504	1,579	53,777	7,383	13,448	2,777	247	2,009	7,052	5,074	643	13,444	621	238	60,045	22,746	5,033	154	397	196	1,088	.250	.320	.423	.743
18	Blue Jays	808	771	.512	1,579	53,528	7,371	13,471	2,813	154	2,093	7,066	5,222	549	12,669	681	241	59,842	22,871	5,060	163	380	139	1,258	.252	.322	.427	.750
19	Mariners	809	769	.513	1,578	53,214	6,950	12,855	2,436	179	1,967	6,654	5,168	764	13,894	918	335	59,678	21,550	4,582	167	365	176	1,087	.242	.316	.405	.721
20	Mets	817	763	.517	1,580	53,237	7,010	13,148	2,576	216	1,957	6,742	5,080	845	12,967	685	235	59,760	22,027	4,749	243	355	279	1,179	.247	.320	.414	.734
21	Braves	838	738	.532	1,576	53,716	7,386	13,724	2,771	207	1,979	7,083	5,063	594	13,076	806	274	60,060	22,846	4,957	315	372	346	1,139	.255	.324	.425	.750
22	Red Sox	839	743	.530	1,582	54,856	7,870	14,436	3,209	234	1,896	7,477	5,139	561	13,001	888	276	61,078	23,801	5,339	123	399	295	1,204	.263	.330	.434	.764
23	Brewers	841	741	.532	1,582	53,032	7,084	12,909	2,505	210	1,919	6,758	5,512	593	14,328	1,239	334	59,756	21,591	4,634	272	347	278	1,166	.243	.320	.407	.727
24	Cardinals	848	728	.538	1,576	53,103	7,099	13,273	2,622	219	1,847	6,780	5,176	709	12,886	794	283	59,703	21,874	4,688	294	421	248	1,093	.250	.322	.412	.734
25	Rays	851	728	.539	1,579	53,375	7,037	13,172	2,668	283	1,859	6,686	5,032	729	14,175	1,112	403	59,635	21,983	4,810	119	380	184	1,003	.247	.318	.412	.730