Since 1990, the New York Yankees have won the most championships by a team, with 5 championships.

	TEAM	CHAMPS	G	W%	W	L	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	5	5,532	.571	3,156	2,373	189,606	28,121	50,311	9,473	741	7,034	26,860	20,624	2,027	38,239	3,335	1,217	214,807	82,368	17,248	890	1,660	1,201	4,563	.265	.341	.434	.775
2	Red Sox	4	5,536	.538	2,977	2,559	191,963	27,849	51,860	11,323	937	6,186	26,500	19,582	1,953	38,410	2,797	1,123	216,102	83,615	18,446	931	1,673	1,424	4,545	.270	.341	.436	.777
3	Giants	3	5,535	.517	2,862	2,672	188,476	24,591	48,319	9,387	1,165	5,383	23,332	18,182	1,734	38,600	2,921	1,293	212,059	76,185	15,935	2,130	1,537	1,826	4,145	.256	.325	.404	.729
4	Marlins	2	5,043	.459	2,315	2,728	171,431	21,228	43,683	8,310	979	4,592	20,125	15,498	1,830	38,166	3,235	1,288	191,747	67,727	13,881	1,716	1,272	1,202	3,790	.255	.321	.395	.716
5	Braves	2	5,530	.559	3,091	2,438	188,501	25,784	49,032	9,572	895	6,206	24,552	18,547	1,676	39,529	3,042	1,304	212,225	79,012	16,673	2,068	1,433	1,507	4,208	.260	.330	.419	.749
6	Dodgers	2	5,534	.553	3,058	2,476	187,960	25,123	48,494	8,953	983	5,812	23,853	18,679	1,796	38,768	3,629	1,433	212,013	76,849	15,748	2,104	1,474	1,525	4,019	.258	.329	.409	.737
7	Cardinals	2	5,532	.534	2,951	2,579	188,068	25,477	49,184	9,554	944	5,643	24,198	18,542	1,968	38,071	3,437	1,493	212,164	77,555	16,141	2,033	1,553	1,615	4,192	.262	.332	.412	.744
8	Astros	2	5,533	.517	2,858	2,674	188,298	25,406	48,769	9,723	940	5,806	24,122	18,394	2,081	38,990	3,800	1,541	212,193	77,790	16,469	1,883	1,537	1,402	4,257	.259	.329	.413	.742
9	Blue Jays	2	5,535	.505	2,794	2,740	189,682	26,188	49,261	10,232	917	6,488	24,969	17,982	2,011	38,498	3,192	1,169	212,158	80,791	17,637	908	1,575	945	4,351	.260	.328	.426	.754
10	Diamondbacks	1	4,304	.489	2,104	2,200	146,848	19,668	37,409	7,682	1,063	4,587	18,738	14,309	1,413	32,497	2,492	897	165,093	60,978	13,332	1,323	1,200	1,088	3,070	.255	.324	.415	.740
11	Cubs	1	5,533	.493	2,728	2,803	188,699	24,885	48,220	9,381	1,041	6,007	23,640	17,698	1,930	40,765	2,979	1,327	211,719	77,704	16,429	2,011	1,381	1,415	4,063	.256	.324	.412	.735
12	Reds	1	5,539	.486	2,688	2,848	187,984	24,927	47,953	9,432	936	6,052	23,685	18,311	2,052	41,408	4,008	1,543	211,868	77,413	16,420	2,088	1,433	1,433	3,869	.255	.326	.412	.737
13	Phillies	1	5,534	.500	2,769	2,765	189,214	25,109	48,418	9,589	1,152	5,625	23,829	18,826	1,888	40,398	3,548	1,040	213,207	77,186	16,366	1,846	1,433	1,631	3,868	.256	.327	.408	.735
14	White Sox	1	5,534	.495	2,736	2,795	188,815	25,624	49,287	9,114	934	6,115	24,457	17,264	1,852	37,471	3,386	1,514	210,906	78,614	16,163	1,419	1,556	1,007	4,319	.261	.327	.416	.743
15	Twins	1	5,534	.491	2,715	2,818	190,170	25,647	50,152	10,004	1,106	5,258	24,249	17,624	1,891	37,643	3,211	1,420	212,250	78,142	16,368	969	1,596	1,101	4,533	.264	.330	.411	.741
16	Angels	1	5,534	.503	2,784	2,750	188,963	25,338	49,293	9,211	891	5,720	24,049	17,203	1,795	36,947	3,629	1,646	210,765	77,446	15,822	1,292	1,512	1,217	4,321	.261	.326	.410	.736
17	Rangers	1	5,537	.499	2,760	2,776	190,539	27,317	50,392	9,864	949	6,650	25,980	17,907	1,823	39,531	3,346	1,323	213,068	82,104	17,463	1,191	1,608	1,092	4,103	.264	.331	.431	.762
18	Royals	1	5,531	.448	2,479	3,052	189,433	24,328	49,649	9,640	1,266	4,673	22,997	15,530	1,813	35,765	4,071	1,610	209,775	75,840	15,579	1,365	1,634	934	4,244	.262	.321	.400	.722
19	Nationals	1	5,533	.482	2,668	2,864	187,201	23,916	47,828	9,709	1,011	5,263	22,622	17,390	1,912	38,954	3,935	1,533	210,147	75,348	15,983	2,214	1,430	1,495	4,077	.255	.323	.402	.725