which team has won the most world series since 1978

Since 1978, the New York Yankees have the most series wins by a team in the World Series, with 6 wins.

	TEAM	SERIES W	SERIES	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	6	World Series	55	.582	32	23	1,873	233	465	75	6	53	224	216	21	419	36	11	2,138	711	134	17	11	29	39	.248	.331	.380	.711
2	Red Sox	4	World Series	26	.731	19	7	910	135	238	56	5	24	133	113	11	205	5	2	1,049	376	85	8	7	17	18	.262	.348	.413	.761
3	Dodgers	4	World Series	40	.550	22	18	1,345	178	309	54	6	52	168	135	15	327	24	15	1,514	531	112	9	10	9	20	.230	.305	.395	.700
4	Giants	3	World Series	27	.556	15	12	908	133	234	37	6	31	129	81	5	212	12	5	1,011	376	74	8	9	11	12	.258	.319	.414	.733
5	Cardinals	3	World Series	43	.465	20	23	1,408	164	328	70	6	22	143	140	9	268	26	13	1,584	476	98	20	7	26	22	.233	.305	.338	.643
6	Astros	2	World Series	30	.433	13	17	1,038	120	246	50	2	36	116	100	14	253	22	4	1,165	408	88	7	6	15	23	.237	.311	.393	.704
7	Marlins	2	World Series	13	.615	8	5	453	54	115	20	1	10	51	50	2	96	6	3	515	167	31	6	4	5	11	.254	.328	.369	.697
8	Blue Jays	2	World Series	12	.667	8	4	402	62	109	21	5	12	62	43	4	63	13	4	459	176	38	2	8	4	9	.271	.341	.438	.779
9	Braves	2	World Series	35	.429	15	20	1,174	132	279	48	6	35	130	127	6	244	30	13	1,332	444	89	15	10	13	28	.238	.313	.378	.691
10	Twins	2	World Series	14	.571	8	6	479	62	120	18	7	15	62	50	4	84	13	4	538	197	40	3	2	10	8	.251	.325	.411	.737
11	Phillies	2	World Series	34	.441	15	19	1,124	141	267	51	4	42	137	131	9	255	26	7	1,278	452	97	5	9	11	24	.238	.320	.402	.722
12	Royals	2	World Series	25	.520	13	12	869	105	232	48	5	15	100	82	4	185	21	6	970	335	68	8	7	11	26	.267	.331	.386	.716
13	Nationals	1	World Series	7	.571	4	3	241	33	58	8	1	11	32	27	1	61	4	0	272	101	20	3	0	1	5	.241	.320	.419	.739
14	Cubs	1	World Series	7	.571	4	3	245	27	61	10	2	8	27	22	3	64	8	1	272	99	20	0	2	3	4	.249	.316	.404	.720
15	Rangers	1	World Series	17	.471	8	9	563	68	127	25	1	20	66	60	3	126	4	5	636	214	46	4	6	5	16	.226	.301	.380	.681
16	White Sox	1	World Series	4	1.000	4	0	154	20	44	9	2	6	20	15	3	30	5	1	174	75	17	2	0	2	5	.286	.360	.487	.847
17	Angels	1	World Series	7	.571	4	3	245	41	76	15	1	7	38	23	2	38	6	0	275	114	23	2	3	5	6	.310	.370	.465	.835
18	Diamondbacks	1	World Series	12	.417	5	7	420	59	112	24	1	9	58	33	6	111	9	3	473	165	34	10	4	7	9	.267	.326	.393	.719
19	Reds	1	World Series	4	1.000	4	0	142	22	45	9	2	3	21	15	1	9	2	2	160	67	14	1	1	1	5	.317	.384	.472	.855
20	Athletics	1	World Series	13	.385	5	8	439	51	100	15	3	14	49	47	2	91	14	1	493	163	32	3	2	5	6	.228	.304	.371	.675
21	Mets	1	World Series	17	.353	6	11	596	67	140	15	0	17	62	46	6	137	8	5	666	206	32	11	7	5	9	.235	.293	.346	.639
22	Tigers	1	World Series	14	.357	5	9	445	40	92	14	1	14	40	44	6	100	8	5	502	150	29	5	2	2	9	.207	.286	.337	.623
23	Pirates	1	World Series	7	.571	4	3	251	32	81	18	1	3	32	16	3	35	0	4	278	110	22	3	5	7	4	.323	.364	.438	.802
24	Orioles	1	World Series	12	.583	7	5	397	44	89	18	1	10	40	36	2	78	3	1	439	139	29	1	3	6	12	.224	.290	.350	.640