Since 1903, the New York Yankees have the most wins by a team, with 10,820 wins.

Interpreted as:

MLB team with most regular-season wins since 1903

	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	Yankees	10,820	8,176	.570	19,084	650,421	92,737	172,663	28,673	5,498	17,350	86,173	68,680	4,935	95,035	11,669	2,808	736,923	264,382	51,521	9,596	3,291	2,840	10,701	.265	.339	.406	.745
2	Giants	10,208	8,823	.536	19,112	650,395	85,741	170,291	27,930	5,512	14,946	79,078	61,049	4,968	95,327	12,015	3,149	730,489	254,083	48,388	11,052	3,025	4,020	10,201	.262	.328	.391	.719
3	Dodgers	10,107	8,925	.531	19,117	649,649	83,044	169,148	27,683	5,501	13,627	76,714	61,288	4,261	96,386	12,814	3,553	730,225	248,714	46,811	11,956	3,071	3,742	9,963	.260	.327	.383	.710
4	Cardinals	9,945	9,081	.523	19,122	653,359	84,913	173,465	30,197	6,200	12,519	78,305	59,765	4,582	94,456	12,903	3,618	731,938	253,619	48,916	11,085	3,147	3,777	10,152	.265	.330	.388	.718
5	Red Sox	9,836	9,182	.517	19,098	653,353	89,062	174,219	32,793	5,403	14,553	82,712	66,291	4,729	95,148	9,358	2,554	738,110	261,477	52,749	10,393	3,344	3,002	11,565	.267	.337	.400	.737
6	Guardians	9,764	9,255	.513	19,107	650,897	86,251	172,134	30,733	5,364	13,894	79,859	62,143	4,761	94,123	11,666	3,392	732,430	255,277	49,991	11,269	3,360	2,549	10,546	.264	.331	.392	.724
7	Cubs	9,630	9,406	.506	19,130	650,406	83,546	168,929	29,181	5,570	14,259	76,945	59,960	4,584	100,572	11,365	3,075	729,927	252,027	49,010	12,062	2,915	3,524	9,973	.260	.325	.387	.713
8	Tigers	9,596	9,450	.504	19,136	652,548	87,813	172,379	29,312	6,166	14,554	80,973	64,881	4,348	96,304	10,965	2,939	735,680	257,685	50,032	10,791	3,112	2,450	10,727	.264	.333	.395	.728
9	Pirates	9,529	9,491	.501	19,111	652,496	82,603	171,759	28,961	7,145	11,772	76,129	57,216	4,616	95,518	12,071	3,279	728,906	250,326	47,878	11,457	3,121	3,701	10,076	.263	.326	.384	.709
10	Reds	9,509	9,532	.499	19,127	649,231	82,464	168,604	28,895	5,787	13,687	76,270	59,220	4,712	98,305	13,529	3,413	727,906	250,134	48,369	11,697	3,046	3,649	9,734	.260	.325	.385	.710
11	White Sox	9,460	9,548	.498	19,106	646,830	82,665	167,808	27,910	5,414	12,258	76,169	61,291	5,153	91,581	13,093	3,490	728,587	243,320	45,582	12,084	3,229	2,463	10,532	.259	.327	.376	.703
12	Braves	9,317	9,680	.490	19,097	649,379	80,642	167,226	27,718	4,710	14,136	74,637	59,159	4,313	96,151	9,993	3,070	727,359	246,772	46,564	11,623	2,885	3,658	10,398	.258	.322	.380	.702
13	Athletics	9,201	9,788	.485	19,074	646,182	83,813	166,030	28,772	5,180	14,098	77,357	63,957	4,650	98,623	11,751	3,209	728,376	247,456	48,050	10,480	3,107	2,272	10,639	.257	.327	.383	.710
14	Twins	9,173	9,843	.482	19,118	652,092	83,883	170,872	29,338	6,186	11,965	77,344	61,747	5,081	94,044	11,776	3,083	732,119	248,477	47,489	10,029	3,170	2,664	10,990	.262	.329	.381	.710
15	Orioles	9,024	9,977	.475	19,105	648,894	82,435	167,394	28,967	4,787	14,405	76,348	62,656	4,400	97,839	10,260	2,786	729,366	249,150	48,159	10,306	3,110	2,578	10,863	.258	.326	.384	.710
16	Phillies	8,902	10,101	.468	19,076	649,145	81,109	167,711	29,422	5,268	13,561	74,907	59,975	4,499	101,024	11,079	2,919	727,525	248,352	48,251	10,887	3,019	3,742	9,875	.258	.324	.383	.707
17	Angels	5,054	5,152	.495	10,209	346,360	44,176	88,600	15,316	1,812	9,249	41,569	32,378	2,837	62,964	6,058	3,106	387,892	135,287	26,377	3,540	2,777	2,485	7,890	.256	.322	.391	.713
18	Astros	5,050	4,995	.503	10,050	341,047	42,858	86,945	15,942	2,174	8,450	40,337	32,407	2,910	63,100	7,168	3,137	383,117	132,585	26,566	4,031	2,722	3,145	7,431	.255	.323	.389	.711
19	Mets	4,861	5,175	.484	10,044	339,814	41,454	84,908	15,169	1,819	8,617	39,039	32,504	2,880	65,144	5,910	2,738	381,813	129,566	25,605	3,989	2,626	3,145	7,482	.250	.318	.381	.700
20	Rangers	4,854	5,338	.476	10,198	348,113	45,875	89,766	16,002	1,893	10,223	43,347	32,967	2,708	65,373	5,965	2,853	389,590	140,223	28,118	2,964	2,838	2,254	7,805	.258	.324	.403	.727
21	Brewers	4,347	4,564	.488	8,915	302,594	39,621	77,465	14,436	1,759	8,730	37,538	29,126	2,720	59,130	6,011	2,738	340,029	121,609	24,925	3,167	2,422	2,160	6,621	.256	.324	.402	.726
22	Nationals	4,295	4,610	.482	8,909	301,298	37,315	76,437	14,753	1,792	7,621	35,073	28,312	2,641	57,339	6,558	2,784	338,420	117,637	24,166	3,880	2,289	2,883	6,520	.254	.321	.390	.711
23	Royals	4,242	4,661	.476	8,905	304,587	38,910	79,985	14,947	2,294	7,018	36,724	26,045	2,467	52,284	7,106	2,904	338,150	120,574	24,259	2,375	2,676	1,870	6,794	.263	.323	.396	.719
24	Padres	4,166	4,748	.467	8,916	301,408	36,141	75,152	13,299	1,764	7,278	33,985	28,690	2,130	59,641	6,021	2,608	338,200	113,813	22,341	3,717	2,255	2,688	6,515	.249	.317	.378	.694
25	Blue Jays	3,799	3,821	.499	7,623	261,169	35,241	67,922	13,571	1,493	8,286	33,428	24,220	2,430	49,111	4,582	1,965	291,459	109,337	23,350	1,507	2,133	1,405	5,947	.260	.326	.419	.745