Since 1970, the New York Yankees have the best winning percentage by a team, winning 56.3 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	.563	4,948	3,840	8,792	300,800	42,837	79,653	14,275	1,379	9,975	40,735	31,780	2,636	53,526	5,305	2,172	339,762	126,611	25,629	1,883	2,663	2,144	7,234	.265	.338	.421	.759
2	Dodgers	.550	4,839	3,961	8,803	299,200	38,715	77,138	13,409	1,584	8,390	36,620	29,249	2,339	56,169	6,124	2,578	337,066	118,885	23,383	3,869	2,409	2,893	6,371	.258	.326	.397	.724
3	Red Sox	.539	4,742	4,055	8,798	304,025	43,438	82,291	16,886	1,645	9,308	41,217	30,823	2,689	54,815	4,131	1,976	342,233	130,391	27,839	1,983	2,713	2,333	7,434	.271	.340	.429	.769
4	Cardinals	.526	4,623	4,169	8,800	299,511	39,160	78,384	14,456	1,930	7,342	36,900	28,985	2,505	54,964	6,730	2,800	337,045	118,726	23,728	3,529	2,515	2,911	6,684	.262	.329	.396	.726
5	Braves	.520	4,568	4,217	8,791	298,950	39,069	76,869	13,907	1,458	8,901	36,981	29,351	2,202	56,839	4,886	2,443	336,329	120,395	24,266	3,569	2,257	2,708	6,738	.257	.326	.403	.729
6	Astros	.514	4,522	4,280	8,804	299,386	38,547	77,044	14,463	1,860	7,807	36,374	28,519	2,623	56,233	6,651	2,807	336,378	118,648	24,130	3,403	2,447	2,682	6,505	.257	.325	.396	.721
7	Athletics	.511	4,498	4,302	8,800	298,056	39,714	75,076	13,833	1,376	9,023	37,486	31,050	2,587	57,582	6,143	2,575	336,525	118,730	24,232	2,298	2,534	1,748	6,731	.252	.325	.398	.724
8	Reds	.508	4,468	4,332	8,806	298,850	39,276	76,475	14,489	1,658	8,750	37,030	29,921	2,602	60,276	6,950	2,658	337,223	120,530	24,897	3,464	2,386	2,744	6,275	.256	.327	.403	.730
9	Giants	.508	4,468	4,334	8,803	298,953	38,165	76,026	13,985	1,924	7,935	35,928	29,540	2,345	57,775	5,148	2,496	336,911	117,664	23,844	3,694	2,379	3,149	6,492	.254	.324	.394	.717
10	Phillies	.502	4,416	4,384	8,804	300,203	38,879	76,772	14,485	2,002	8,228	36,719	29,725	2,545	59,377	5,933	2,220	338,010	119,945	24,715	3,138	2,399	2,898	6,200	.256	.326	.400	.725
11	Orioles	.501	4,399	4,381	8,784	299,978	39,735	77,478	14,206	1,270	9,503	37,737	29,160	2,518	55,078	4,664	2,136	336,234	122,733	24,979	2,123	2,455	1,908	7,055	.258	.327	.409	.736
12	Blue Jays	.500	3,833	3,839	7,675	262,973	35,536	68,438	13,672	1,499	8,357	33,711	24,395	2,457	49,448	4,601	1,972	293,487	110,179	23,528	1,521	2,141	1,414	5,988	.260	.326	.419	.745
13	Angels	.499	4,395	4,407	8,803	299,625	39,092	77,416	13,676	1,507	8,300	36,875	27,982	2,569	54,570	5,566	2,758	335,430	119,006	23,483	2,819	2,435	2,094	6,913	.258	.325	.397	.722
14	Mets	.499	4,386	4,407	8,796	297,926	37,298	75,100	13,796	1,560	7,869	35,203	29,124	2,577	57,177	5,532	2,388	335,480	115,623	23,225	3,477	2,376	2,800	6,570	.252	.322	.388	.710
15	Guardians	.499	4,379	4,400	8,781	299,995	40,233	78,648	14,565	1,526	8,511	38,040	29,141	2,562	53,607	5,755	2,691	336,859	121,798	24,602	2,480	2,681	1,936	6,957	.262	.330	.406	.736
16	Brewers	.491	4,321	4,476	8,800	298,836	39,296	76,686	14,351	1,737	8,670	37,251	28,665	2,711	58,465	5,888	2,701	335,727	120,521	24,758	3,101	2,414	2,121	6,538	.257	.325	.403	.728
17	Rays	.490	2,150	2,242	4,392	149,317	19,532	37,894	7,539	860	4,588	18,576	14,176	1,698	34,053	3,304	1,253	167,115	60,917	12,987	749	1,175	694	3,070	.254	.323	.408	.731
18	Twins	.489	4,304	4,490	8,797	301,826	39,955	79,751	14,941	1,913	7,835	37,686	27,925	2,622	54,229	4,784	2,403	337,109	122,023	24,689	2,197	2,539	1,994	7,249	.264	.329	.404	.734
19	Cubs	.489	4,296	4,491	8,795	299,875	38,657	76,827	14,145	1,806	8,606	36,490	28,339	2,443	58,551	4,961	2,399	336,417	120,402	24,557	3,459	2,301	2,674	6,449	.256	.323	.402	.725
20	Diamondbacks	.489	2,147	2,248	4,395	149,928	20,111	38,184	7,833	1,084	4,718	19,173	14,604	1,463	33,227	2,547	920	168,569	62,339	13,635	1,341	1,233	1,097	3,134	.255	.324	.416	.740
21	White Sox	.487	4,281	4,505	8,795	299,338	39,352	77,807	13,803	1,666	8,713	37,304	27,309	2,604	54,625	5,383	2,598	334,387	121,081	24,182	2,609	2,527	1,836	6,840	.260	.325	.404	.729
22	Rangers	.486	4,272	4,520	8,797	301,192	40,821	78,760	14,414	1,579	9,112	38,621	28,525	2,474	56,932	5,498	2,553	337,116	123,668	25,105	2,395	2,530	1,925	6,705	.261	.328	.411	.739
23	Nationals	.485	4,262	4,532	8,798	297,622	36,958	75,571	14,635	1,768	7,547	34,752	27,938	2,613	56,795	6,550	2,747	334,275	116,383	23,950	3,829	2,273	2,839	6,415	.254	.321	.391	.712
24	Pirates	.483	4,241	4,546	8,793	299,620	37,420	76,883	14,541	2,085	7,300	35,377	26,822	2,691	57,818	5,761	2,639	335,040	117,494	23,926	3,432	2,475	2,742	6,300	.257	.321	.392	.713
25	Tigers	.482	4,243	4,553	8,797	300,629	39,690	77,947	13,938	1,991	9,061	37,666	28,472	2,325	57,575	4,413	2,347	336,007	123,050	24,990	2,105	2,476	1,813	6,753	.259	.326	.409	.735