which team has won the most mlb titles since 1990

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	5,662	.571	3,231	2,428	193,988	28,790	51,393	9,670	756	7,254	27,506	21,135	2,064	39,402	3,446	1,245	219,788	84,337	17,680	897	1,704	1,243	4,649	.265	.341	.435	.776
2	Red Sox	4	5,664	.538	3,048	2,616	196,346	28,463	52,975	11,579	957	6,331	27,085	19,971	2,012	39,516	2,894	1,155	220,978	85,461	18,867	943	1,706	1,440	4,628	.270	.341	.435	.776
3	Giants	3	5,664	.516	2,923	2,740	192,764	25,147	49,332	9,572	1,188	5,523	23,864	18,619	1,793	39,696	2,968	1,309	216,906	77,849	16,283	2,148	1,582	1,838	4,233	.256	.325	.404	.729
4	Marlins	2	5,174	.460	2,382	2,792	175,900	21,801	44,799	8,529	1,005	4,718	20,673	15,890	1,875	39,137	3,350	1,322	196,701	69,492	14,252	1,727	1,309	1,211	3,869	.255	.321	.395	.716
5	Braves	2	5,661	.557	3,153	2,507	192,965	26,380	50,130	9,770	912	6,360	25,131	19,013	1,720	40,635	3,105	1,325	217,244	80,804	17,042	2,081	1,465	1,521	4,285	.260	.329	.419	.748
6	Dodgers	2	5,664	.552	3,129	2,535	192,377	25,779	49,607	9,160	998	6,005	24,481	19,138	1,841	39,860	3,694	1,452	216,989	78,778	16,163	2,116	1,517	1,555	4,103	.258	.329	.409	.738
7	Cardinals	2	5,661	.533	3,015	2,644	192,366	26,016	50,224	9,753	952	5,761	24,710	18,904	2,046	39,138	3,499	1,513	216,957	79,164	16,466	2,055	1,586	1,624	4,278	.261	.331	.412	.743
8	Astros	2	5,664	.517	2,929	2,734	192,765	25,972	49,898	9,930	949	5,962	24,664	18,766	2,140	40,041	3,865	1,562	217,131	79,612	16,841	1,894	1,566	1,412	4,360	.259	.329	.413	.742
9	Blue Jays	2	5,665	.507	2,872	2,792	194,127	26,873	50,469	10,474	929	6,657	25,632	18,402	2,062	39,370	3,247	1,187	217,139	82,772	18,060	938	1,610	966	4,461	.260	.328	.426	.754
10	Diamondbacks	1	4,434	.489	2,167	2,267	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
11	Cubs	1	5,662	.495	2,800	2,860	193,027	25,476	49,281	9,585	1,061	6,181	24,213	18,120	1,966	41,781	3,096	1,356	216,555	79,531	16,827	2,016	1,426	1,428	4,123	.255	.323	.412	.735
12	Reds	1	5,668	.486	2,753	2,912	192,321	25,474	49,010	9,630	957	6,184	24,199	18,718	2,088	42,547	4,077	1,563	216,695	79,106	16,771	2,098	1,470	1,445	3,957	.255	.325	.411	.737
13	Phillies	1	5,664	.503	2,847	2,817	193,655	25,744	49,575	9,810	1,170	5,808	24,448	19,227	1,938	41,483	3,642	1,064	218,148	79,149	16,788	1,860	1,468	1,645	3,939	.256	.327	.409	.736
14	White Sox	1	5,664	.492	2,787	2,874	193,153	26,155	50,313	9,315	943	6,254	24,970	17,651	1,893	38,566	3,448	1,528	215,718	80,276	16,512	1,437	1,584	1,014	4,410	.260	.326	.416	.742
15	Twins	1	5,663	.490	2,772	2,890	194,513	26,201	51,192	10,195	1,122	5,423	24,774	18,023	1,959	38,749	3,307	1,447	217,095	79,900	16,740	978	1,622	1,110	4,617	.263	.329	.411	.740
16	Angels	1	5,665	.502	2,844	2,821	193,317	25,900	50,284	9,383	905	5,902	24,588	17,620	1,870	38,278	3,702	1,669	215,650	79,183	16,190	1,303	1,540	1,235	4,400	.260	.326	.410	.735
17	Rangers	1	5,666	.499	2,825	2,840	194,922	27,897	51,428	10,063	961	6,794	26,536	18,319	1,877	40,595	3,453	1,349	217,959	83,795	17,818	1,200	1,641	1,109	4,175	.264	.330	.430	.760
18	Royals	1	5,660	.449	2,544	3,116	193,781	24,874	50,741	9,876	1,284	4,817	23,530	15,877	1,870	36,626	4,156	1,639	214,579	77,636	15,977	1,389	1,662	948	4,327	.262	.321	.401	.722
19	Nationals	1	5,662	.480	2,720	2,941	191,534	24,467	48,885	9,923	1,033	5,390	23,152	17,734	1,959	40,038	4,035	1,571	214,917	77,044	16,346	2,226	1,464	1,506	4,164	.255	.322	.402	.725