Since 1940, the New York Yankees have the best winning percentage by a team, winning 57.4 percent of the time.

	TEAM	W%	W	L	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	.574	7,748	5,762	13,533	462,187	65,209	121,419	20,642	2,884	14,388	61,707	49,351	3,524	75,238	6,931	2,828	522,604	190,993	37,914	4,222	3,320	2,869	10,659	.263	.336	.413	.749
2	Dodgers	.558	7,549	5,982	13,557	461,130	60,642	119,414	20,167	2,981	12,059	56,881	46,475	3,200	77,802	8,768	3,566	520,633	181,720	35,207	6,730	3,098	3,759	9,886	.259	.329	.394	.723
3	Cardinals	.537	7,260	6,252	13,550	463,533	60,441	122,099	21,825	3,508	10,552	56,668	44,326	3,384	75,264	8,533	3,632	520,310	182,596	35,885	5,900	3,167	3,784	10,097	.263	.330	.394	.724
4	Red Sox	.532	7,196	6,325	13,542	466,649	65,707	125,066	24,389	2,902	13,220	62,101	49,484	3,455	77,041	5,574	2,577	527,236	194,919	40,511	4,278	3,370	3,011	11,478	.268	.340	.418	.758
5	Braves	.520	7,014	6,483	13,530	460,951	59,637	118,625	20,639	2,600	12,880	56,215	44,649	3,043	78,124	6,556	3,083	517,664	183,104	36,119	6,115	2,906	3,665	10,332	.257	.325	.397	.722
6	Giants	.513	6,938	6,586	13,546	460,905	59,330	117,676	19,968	3,175	12,467	55,696	45,201	3,355	78,872	6,643	3,158	518,538	181,395	35,610	6,022	3,055	4,028	10,105	.255	.324	.394	.718
7	Guardians	.511	6,891	6,607	13,523	461,196	60,516	119,687	21,118	2,704	12,416	57,066	45,449	3,450	75,878	7,344	3,410	518,479	183,461	36,238	4,998	3,386	2,569	10,468	.260	.328	.398	.726
8	Reds	.507	6,855	6,661	13,538	461,200	59,498	118,344	21,522	2,804	12,426	55,937	44,320	3,475	81,898	8,753	3,421	517,934	182,752	36,752	5,867	3,072	3,657	9,686	.257	.324	.396	.721
9	Astros	.503	5,096	5,040	10,141	344,176	43,252	87,719	16,086	2,179	8,563	40,713	32,676	2,951	63,857	7,210	3,151	386,581	133,852	26,828	4,038	2,740	3,154	7,496	.255	.322	.389	.711
10	Blue Jays	.500	3,855	3,856	7,714	264,282	35,737	68,775	13,744	1,503	8,407	33,909	24,510	2,472	49,724	4,621	1,979	294,945	110,746	23,654	1,526	2,155	1,418	6,026	.260	.326	.419	.745
11	White Sox	.496	6,703	6,802	13,538	460,043	58,745	118,664	20,085	3,008	11,191	55,244	43,792	3,787	74,214	7,965	3,496	516,107	178,338	34,284	5,239	3,246	2,468	10,492	.258	.325	.388	.713
12	Tigers	.496	6,712	6,812	13,556	462,688	60,801	119,702	20,515	3,284	12,871	57,364	46,283	3,172	78,508	5,839	2,949	519,880	185,398	36,670	4,593	3,144	2,455	10,651	.259	.328	.401	.729
13	Angels	.495	5,093	5,205	10,301	349,413	44,557	89,283	15,434	1,822	9,375	41,937	32,685	2,891	63,909	6,113	3,120	391,331	136,486	26,631	3,547	2,795	2,500	7,947	.256	.322	.391	.713
14	Orioles	.493	6,659	6,838	13,524	460,401	59,014	117,506	20,860	2,454	12,790	55,735	45,955	3,263	77,997	6,120	2,809	517,453	181,644	36,104	4,704	3,130	2,587	10,787	.255	.325	.395	.720
15	Brewers	.489	4,405	4,595	9,004	305,685	40,111	78,316	14,603	1,769	8,831	37,997	29,442	2,763	59,793	6,086	2,770	343,521	122,950	25,203	3,177	2,454	2,167	6,682	.256	.325	.402	.727
16	Rays	.489	2,168	2,264	4,432	150,671	19,700	38,234	7,596	863	4,634	18,741	14,287	1,709	34,410	3,343	1,261	168,604	61,458	13,093	753	1,184	695	3,101	.254	.323	.408	.731
17	Diamondbacks	.489	2,167	2,267	4,434	151,251	20,296	38,521	7,894	1,095	4,759	19,348	14,724	1,482	33,571	2,585	930	170,060	62,882	13,748	1,354	1,249	1,105	3,158	.255	.324	.416	.740
18	Phillies	.485	6,552	6,965	13,539	460,477	57,491	117,133	20,852	3,367	11,359	53,986	44,804	3,401	82,035	7,437	2,935	517,273	178,796	35,578	5,546	3,045	3,752	9,793	.254	.323	.388	.711
19	Mets	.484	4,899	5,227	10,134	342,866	41,892	85,672	15,312	1,825	8,750	39,466	32,799	2,919	65,915	5,998	2,747	385,240	130,884	25,887	4,001	2,655	3,159	7,537	.250	.318	.382	.700
20	Nationals	.481	4,331	4,665	9,000	304,365	37,707	77,186	14,895	1,810	7,716	35,450	28,557	2,661	58,151	6,632	2,809	341,786	118,849	24,421	3,888	2,315	2,891	6,577	.254	.321	.390	.711
21	Twins	.481	6,496	7,020	13,538	462,943	59,766	120,414	21,461	3,384	10,905	56,134	44,708	3,593	75,972	6,736	3,104	518,836	181,358	35,750	4,403	3,189	2,670	10,944	.260	.328	.392	.720
22	Pirates	.480	6,480	7,020	13,540	462,085	57,393	119,332	21,091	3,771	10,375	53,960	41,710	3,470	79,894	7,313	3,294	516,174	179,090	35,237	5,770	3,139	3,710	10,005	.258	.322	.388	.710
23	Cubs	.478	6,463	7,044	13,546	462,050	58,169	117,983	20,742	3,203	12,242	54,674	43,259	3,305	82,164	6,512	3,095	517,259	181,857	36,187	5,698	2,947	3,531	9,890	.255	.322	.394	.715
24	Mariners	.478	3,689	4,022	7,713	263,091	34,284	67,562	12,591	1,265	7,903	32,573	24,931	2,415	50,759	5,137	2,192	294,503	106,392	21,759	1,963	2,103	1,690	5,754	.257	.324	.404	.729
25	Athletics	.478	6,468	7,054	13,544	458,814	58,658	115,360	20,225	2,740	11,868	55,087	47,130	3,406	79,127	7,768	3,228	517,189	176,669	34,833	4,711	3,128	2,281	10,570	.251	.324	.385	.709