Since 2019, the Colorado Rockies have the fewest wins by a team, with 366 wins.

Interpreted as:

MLB team with least regular-season wins since 2019

	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	Rockies	366	543	.403	909	30,902	4,083	7,752	1,606	192	994	3,917	2,607	297	8,281	413	146	34,190	12,724	2,792	150	234	103	668	.251	.313	.412	.725
2	Pirates	377	534	.414	911	30,494	3,661	7,243	1,422	162	851	3,486	2,783	311	7,882	497	172	33,952	11,542	2,435	148	216	115	581	.238	.306	.379	.684
3	Marlins	385	524	.424	909	30,545	3,554	7,382	1,387	116	858	3,388	2,425	349	8,025	583	180	33,641	11,575	2,361	126	196	97	687	.242	.303	.379	.682
4	Royals	390	522	.428	912	30,596	3,819	7,523	1,469	198	891	3,656	2,458	316	7,328	728	218	33,773	12,061	2,558	129	274	75	552	.246	.306	.394	.700
5	White Sox	395	515	.434	910	30,746	3,783	7,562	1,443	80	950	3,617	2,440	346	7,957	406	128	33,831	12,015	2,473	115	184	61	686	.246	.307	.391	.698
6	Nationals	398	513	.437	911	30,555	4,024	7,751	1,539	129	941	3,817	2,795	424	6,980	673	211	34,157	12,371	2,609	165	218	121	705	.254	.323	.405	.728
7	Angels	400	509	.440	909	30,547	3,927	7,315	1,372	129	1,134	3,754	2,829	385	8,016	466	168	34,049	12,347	2,635	88	200	136	650	.239	.310	.404	.714
8	Tigers	404	505	.444	909	30,546	3,656	7,272	1,389	200	879	3,512	2,539	287	8,391	389	125	33,664	11,698	2,468	58	234	56	595	.238	.300	.383	.683
9	Rangers	416	495	.457	911	30,759	4,070	7,438	1,425	114	1,100	3,871	2,780	318	7,974	623	176	34,139	12,391	2,639	63	219	82	549	.242	.309	.403	.712
10	Athletics	419	492	.460	911	30,329	3,838	7,063	1,432	114	1,082	3,654	2,907	427	7,905	506	129	33,976	11,969	2,628	98	215	71	659	.233	.307	.395	.702
11	Orioles	421	488	.463	909	30,804	4,076	7,558	1,517	139	1,120	3,910	2,665	373	7,865	484	154	34,157	12,713	2,776	91	224	66	559	.245	.311	.413	.724
12	Reds	430	482	.471	912	30,330	4,058	7,270	1,431	130	1,109	3,891	2,947	515	8,164	647	210	34,106	12,288	2,670	117	197	76	619	.240	.316	.405	.721
13	Diamondbacks	430	481	.472	911	30,803	4,301	7,582	1,586	195	1,026	4,087	3,060	379	7,451	576	131	34,688	12,636	2,807	172	274	113	616	.246	.319	.410	.730
14	Cubs	452	459	.496	911	30,485	4,229	7,426	1,435	159	1,124	4,034	3,095	469	8,160	598	181	34,398	12,551	2,718	127	222	108	634	.244	.321	.412	.732
15	Red Sox	459	454	.503	913	31,517	4,487	8,184	1,874	124	1,128	4,277	2,895	356	8,015	492	159	35,064	13,690	3,126	67	229	144	657	.260	.327	.434	.761
16	Blue Jays	465	445	.511	910	30,869	4,222	7,801	1,607	96	1,171	4,052	2,897	326	7,314	429	140	34,360	13,113	2,874	66	202	80	675	.253	.321	.425	.746
17	Mariners	470	439	.517	909	30,311	4,025	7,034	1,367	90	1,143	3,864	3,206	498	8,577	613	185	34,285	12,010	2,600	59	211	67	553	.232	.314	.396	.710
18	Padres	475	434	.523	909	30,443	4,133	7,528	1,469	111	1,078	3,952	3,104	333	7,364	574	180	34,266	12,453	2,658	161	225	129	667	.247	.322	.409	.731
19	Giants	477	434	.524	911	30,680	4,055	7,373	1,520	131	1,065	3,890	3,018	381	8,154	345	113	34,417	12,350	2,716	103	235	129	642	.240	.314	.403	.716
20	Twins	478	433	.525	911	30,909	4,317	7,692	1,580	113	1,255	4,126	2,936	458	7,915	309	110	34,585	13,263	2,948	51	231	89	652	.249	.321	.429	.750
21	Cardinals	480	429	.528	909	30,460	4,067	7,538	1,473	108	1,068	3,881	2,979	418	7,422	539	153	34,219	12,431	2,649	123	239	96	606	.247	.321	.408	.729
22	Mets	480	431	.527	911	30,594	4,169	7,644	1,459	116	1,148	4,002	2,903	569	7,513	446	127	34,374	12,779	2,723	113	195	120	673	.250	.324	.418	.742
23	Phillies	487	423	.535	910	30,823	4,332	7,742	1,555	148	1,160	4,152	3,041	348	7,870	621	137	34,559	13,073	2,863	125	222	164	603	.251	.323	.424	.747
24	Guardians	492	418	.541	910	30,427	3,971	7,431	1,497	125	966	3,763	2,777	376	7,021	690	181	33,960	12,076	2,588	125	255	164	611	.244	.313	.397	.710
25	Brewers	504	408	.553	912	30,486	4,168	7,289	1,428	110	1,115	3,987	3,345	396	8,279	694	169	34,518	12,282	2,653	88	203	141	657	.239	.320	.403	.723