Between the 1931 and 2023 seasons, the Arizona Diamondbacks had the fewest wins by a team, with 1,998 wins.

Interpreted as:

least MLB team regular-season wins from 1931 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	164,836	20,455	42,064	8,014	953	4,414	19,385	15,005	1,766	36,480	3,087	1,235	184,515	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	Mariners	3,514	3,873	.476	7,389	252,259	32,842	65,022	12,129	1,243	7,480	31,197	23,816	2,210	47,688	4,836	2,127	282,241	102,077	20,852	1,925	2,031	1,648	5,546	.258	.325	.405	.729
6	Blue Jays	3,687	3,700	.499	7,390	253,365	34,268	66,008	13,170	1,464	8,060	32,498	23,480	2,329	47,392	4,472	1,938	282,716	106,286	22,694	1,477	2,065	1,375	5,767	.261	.326	.419	.746
7	Padres	4,034	4,648	.465	8,684	293,546	35,086	73,115	12,937	1,736	7,028	32,987	28,011	2,057	58,068	5,848	2,566	329,489	110,608	21,701	3,672	2,203	2,663	6,337	.249	.317	.377	.693
8	Royals	4,122	4,547	.475	8,671	296,746	37,938	78,038	14,567	2,245	6,802	35,780	25,448	2,391	50,627	6,916	2,849	329,520	117,501	23,614	2,336	2,599	1,838	6,662	.263	.324	.396	.720
9	Nationals	4,194	4,478	.484	8,676	293,569	36,360	74,567	14,370	1,764	7,420	34,172	27,658	2,531	55,580	6,277	2,688	329,837	114,725	23,554	3,844	2,235	2,869	6,359	.254	.321	.391	.712
10	Brewers	4,215	4,461	.486	8,680	294,703	38,528	75,534	14,089	1,718	8,488	36,505	28,281	2,644	57,068	5,705	2,675	331,134	118,523	24,295	3,136	2,370	2,133	6,488	.256	.325	.402	.727
11	Mets	4,727	5,075	.482	9,810	331,899	40,358	82,956	14,771	1,791	8,319	37,985	31,722	2,740	63,208	5,745	2,707	372,903	126,266	24,881	3,976	2,566	3,120	7,313	.250	.318	.380	.699
12	Rangers	4,740	5,218	.476	9,964	340,285	44,927	87,925	15,685	1,872	9,971	42,439	32,277	2,628	63,510	5,806	2,811	380,934	137,267	27,528	2,955	2,789	2,228	7,673	.258	.325	.403	.728
13	Astros	4,921	4,892	.501	9,818	333,156	41,826	84,899	15,575	2,151	8,191	39,357	31,757	2,813	61,380	7,032	3,099	374,392	129,349	25,917	4,010	2,656	3,111	7,240	.255	.323	.388	.711
14	Angels	4,958	5,016	.497	9,977	338,682	43,249	86,847	14,995	1,790	8,984	40,692	31,719	2,718	60,866	5,892	3,043	379,366	132,374	25,769	3,522	2,725	2,474	7,732	.256	.323	.391	.714
15	Phillies	6,890	7,673	.473	14,593	497,446	61,977	127,458	22,676	3,698	11,655	58,103	47,588	3,471	84,260	7,638	2,875	557,906	192,495	38,029	6,438	2,963	3,712	9,724	.256	.324	.387	.711
16	Athletics	6,944	7,618	.477	14,596	495,804	64,320	126,010	22,123	3,209	12,500	60,358	51,121	3,472	81,469	8,065	3,174	558,924	192,051	37,832	5,471	3,056	2,256	10,469	.254	.326	.387	.714
17	Orioles	7,007	7,541	.482	14,593	497,832	64,074	128,023	22,834	2,903	13,039	60,447	49,888	3,276	80,301	6,394	2,747	559,584	195,780	38,776	5,544	3,044	2,558	10,735	.257	.327	.393	.720
18	Twins	7,056	7,510	.484	14,602	501,491	65,594	131,859	23,392	4,104	11,022	61,517	48,719	3,616	77,181	7,189	3,047	562,199	196,525	38,518	5,265	3,108	2,645	10,827	.263	.331	.392	.723
19	Pirates	7,065	7,487	.486	14,598	499,929	62,508	130,515	22,944	4,436	10,579	58,642	44,751	3,542	80,785	7,490	3,239	557,940	194,068	37,959	6,658	3,060	3,677	9,910	.261	.324	.388	.713
20	Cubs	7,087	7,477	.487	14,610	499,499	63,389	128,812	22,713	3,670	12,591	59,504	46,439	3,448	84,243	6,731	3,030	558,986	196,638	38,974	6,749	2,851	3,496	9,853	.258	.324	.394	.717
21	White Sox	7,218	7,328	.496	14,590	497,251	64,252	129,344	21,878	3,492	11,402	60,314	47,852	3,887	75,475	8,403	3,442	558,346	192,412	36,772	6,173	3,183	2,452	10,376	.260	.328	.387	.715
22	Tigers	7,282	7,298	.499	14,619	500,596	66,977	130,883	22,674	3,800	13,376	63,042	50,618	3,246	80,432	6,513	2,909	562,928	201,285	39,850	5,415	3,053	2,431	10,596	.261	.331	.402	.733
23	Reds	7,300	7,268	.501	14,598	498,418	63,806	128,540	23,159	3,309	12,678	59,959	46,903	3,600	83,582	8,822	3,346	558,630	196,351	39,146	6,724	2,985	3,635	9,604	.258	.324	.394	.718
24	Guardians	7,454	7,099	.512	14,589	499,280	66,521	131,082	23,397	3,336	12,879	62,622	49,230	3,477	77,849	7,632	3,330	561,079	199,788	39,612	5,799	3,293	2,509	10,389	.263	.331	.400	.731
25	Braves	7,479	7,069	.514	14,592	497,824	63,544	128,367	22,094	2,975	13,026	59,809	47,066	3,140	79,853	6,720	3,038	557,887	195,489	38,095	7,026	2,831	3,640	10,234	.258	.324	.393	.717