Between the 1990 and 2023 seasons, the Arizona Diamondbacks had the fewest wins by a team, with 1,998 wins.

Interpreted as:

MLB team with least regular-season wins 1990 to 2023

	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	Diamondbacks	1,998	2,112	.486	4,110	140,249	18,619	35,692	7,346	1,020	4,334	17,735	13,610	1,317	30,990	2,345	861	157,578	58,080	12,700	1,283	1,119	1,067	2,937	.254	.324	.414	.738
2	Rays	2,011	2,097	.490	4,108	139,812	18,382	35,619	7,109	824	4,305	17,497	13,326	1,585	31,528	2,971	1,160	156,559	57,291	12,238	727	1,109	670	2,905	.255	.324	.410	.734
3	Marlins	2,241	2,609	.462	4,850	164,835	20,455	42,064	8,014	953	4,414	19,385	15,005	1,766	36,480	3,087	1,235	184,514	65,226	13,381	1,684	1,224	1,182	3,656	.255	.322	.396	.718
4	Rockies	2,260	2,598	.465	4,858	167,016	24,229	45,357	8,935	1,270	5,507	23,027	15,397	1,514	35,635	2,948	1,326	187,208	73,353	15,712	1,979	1,302	1,184	3,705	.272	.336	.439	.775
5	Royals	2,376	2,960	.445	5,336	182,929	23,488	48,056	9,320	1,227	4,488	22,181	15,013	1,749	34,369	3,911	1,566	202,595	73,294	15,035	1,337	1,567	907	4,136	.263	.322	.401	.723
6	Tigers	2,457	2,878	.461	5,335	182,897	24,502	47,705	9,118	1,173	5,707	23,380	16,980	1,575	38,784	2,677	1,329	204,008	76,290	15,998	1,065	1,491	998	4,105	.261	.326	.417	.744
7	Pirates	2,465	2,869	.462	5,336	181,004	22,731	45,994	9,165	1,143	4,696	21,599	16,500	2,029	38,297	3,084	1,389	202,991	71,533	15,004	2,027	1,431	1,320	3,800	.254	.321	.395	.716
8	Orioles	2,508	2,827	.470	5,338	183,104	24,525	47,614	9,192	715	6,112	23,416	16,833	1,791	35,809	2,743	1,165	204,310	76,572	16,019	1,095	1,487	983	4,260	.260	.326	.418	.744
9	Padres	2,553	2,791	.478	5,344	180,869	22,669	45,278	8,621	959	4,964	21,467	17,735	1,550	39,360	3,429	1,362	203,391	70,709	14,544	1,799	1,438	1,343	3,958	.250	.320	.391	.711
10	Nationals	2,583	2,754	.484	5,338	180,738	23,120	46,266	9,398	987	5,094	21,874	16,835	1,829	37,467	3,680	1,450	202,968	72,920	15,479	2,182	1,384	1,484	3,946	.256	.323	.403	.727
11	Reds	2,593	2,748	.485	5,344	181,548	24,059	46,447	9,123	905	5,843	22,859	17,695	1,950	39,673	3,765	1,488	204,644	74,909	15,871	2,068	1,383	1,423	3,765	.256	.326	.413	.739
12	Brewers	2,609	2,730	.489	5,340	181,319	24,191	46,298	9,170	960	5,690	23,012	17,779	2,031	39,415	3,602	1,469	204,302	74,458	15,820	1,743	1,430	1,284	4,019	.255	.326	.411	.737
13	Twins	2,620	2,718	.491	5,339	183,591	24,781	48,545	9,637	1,079	5,049	23,429	17,055	1,770	36,071	3,128	1,390	204,916	75,487	15,765	959	1,541	1,085	4,397	.264	.330	.411	.741
14	Cubs	2,625	2,711	.492	5,338	182,091	23,947	46,592	9,065	1,003	5,788	22,746	17,020	1,850	39,142	2,792	1,291	204,280	75,027	15,856	1,989	1,330	1,393	3,962	.256	.324	.412	.736
15	Mets	2,654	2,683	.497	5,337	180,962	23,465	45,963	8,924	897	5,341	22,324	17,581	1,864	37,020	3,201	1,281	203,826	72,704	15,162	1,985	1,434	1,533	3,922	.254	.324	.402	.726
16	Mariners	2,654	2,683	.497	5,337	182,645	24,411	47,243	9,013	792	5,783	23,252	17,520	1,800	37,117	3,333	1,325	204,674	75,189	15,588	1,227	1,482	1,234	3,981	.259	.327	.412	.739
17	Phillies	2,656	2,684	.497	5,340	182,604	24,182	46,726	9,257	1,122	5,398	22,945	18,184	1,816	38,776	3,370	1,004	205,821	74,421	15,777	1,831	1,386	1,605	3,737	.256	.327	.408	.735
18	Rangers	2,666	2,675	.499	5,342	184,007	26,530	48,851	9,598	931	6,443	25,226	17,343	1,759	37,984	3,222	1,291	205,863	79,640	16,972	1,183	1,571	1,070	3,987	.265	.332	.433	.765
19	White Sox	2,686	2,651	.503	5,340	182,393	25,001	47,876	8,846	924	5,956	23,859	16,758	1,801	35,799	3,273	1,474	203,870	76,438	15,726	1,397	1,521	998	4,186	.262	.328	.419	.747
20	Blue Jays	2,704	2,636	.506	5,341	183,210	25,404	47,702	9,900	890	6,310	24,221	17,372	1,919	37,038	3,098	1,146	204,910	78,312	17,100	889	1,520	923	4,202	.260	.328	.427	.756
21	Angels	2,709	2,632	.507	5,341	182,586	24,592	47,848	8,944	873	5,511	23,343	16,654	1,697	35,235	3,481	1,592	203,685	75,071	15,328	1,278	1,470	1,209	4,185	.262	.327	.411	.738
22	Athletics	2,734	2,604	.512	5,338	181,582	24,866	45,827	9,153	748	5,859	23,615	19,473	1,841	37,384	2,875	1,061	205,373	74,053	15,760	963	1,514	938	4,221	.252	.328	.408	.736
23	Astros	2,754	2,586	.516	5,341	181,745	24,546	47,078	9,419	921	5,590	23,308	17,847	2,002	37,564	3,687	1,510	204,942	75,109	15,930	1,866	1,482	1,369	4,104	.259	.330	.413	.743
24	Giants	2,762	2,577	.517	5,340	181,929	23,749	46,768	9,067	1,130	5,173	22,531	17,571	1,675	36,864	2,832	1,263	204,774	73,614	15,370	2,116	1,483	1,809	4,015	.257	.326	.405	.730
25	Guardians	2,777	2,558	.521	5,335	183,005	25,769	48,499	9,795	881	5,777	24,504	18,153	1,856	36,190	3,560	1,365	205,878	77,387	16,453	1,223	1,641	1,129	4,208	.265	.335	.423	.758