who has won the most pennants since 2005

Since 2005, the Los Angeles Dodgers and the Houston Astros are tied for the most series wins in the League Championship Series, with 5 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	Dodgers	5	NLCS	57	.491	28	29	1,892	244	456	70	9	75	238	230	23	497	40	9	2,169	769	154	16	8	18	49	.241	.329	.406	.736
2	Astros	5	ALCS	48	.563	27	21	1,584	194	374	58	5	57	183	181	21	344	12	5	1,806	613	120	10	10	10	36	.236	.321	.387	.708
3	Giants	3	NLCS	18	.667	12	6	608	78	153	28	3	12	69	56	4	134	3	1	679	223	43	8	3	5	9	.252	.317	.367	.684
4	Rangers	3	ALCS	19	.632	12	7	672	116	187	38	3	31	113	65	7	140	18	4	752	324	72	4	4	12	14	.278	.346	.482	.828
5	Phillies	3	NLCS	28	.607	17	11	892	135	210	45	5	39	126	101	15	231	20	6	1,021	382	89	9	4	11	22	.235	.322	.428	.750
6	Red Sox	3	ALCS	31	.548	17	14	1,049	155	255	60	5	40	147	127	15	264	11	4	1,202	445	105	4	7	6	28	.243	.331	.424	.756
7	Cardinals	3	NLCS	41	.439	18	23	1,344	149	308	57	7	34	139	117	17	297	19	5	1,503	481	98	16	9	14	29	.229	.297	.358	.655
8	Royals	2	ALCS	10	.800	8	2	333	56	96	15	1	11	52	27	6	63	4	4	376	146	27	2	8	2	6	.288	.345	.438	.783
9	Yankees	2	ALCS	38	.395	15	23	1,274	139	274	51	6	46	129	148	11	368	13	9	1,446	475	103	6	7	11	19	.215	.301	.373	.674
10	Rays	2	ALCS	14	.571	8	6	461	68	105	16	2	27	68	49	8	138	10	2	521	206	45	1	2	3	11	.228	.312	.447	.758
11	Tigers	2	ALCS	20	.600	12	8	701	84	186	32	2	28	82	71	6	147	9	1	785	306	62	5	2	8	21	.265	.337	.437	.774
12	Braves	1	NLCS	13	.538	7	6	441	61	111	20	2	17	60	45	3	132	9	1	492	186	39	0	3	4	8	.252	.323	.422	.745
13	Nationals	1	NLCS	4	1.000	4	0	135	20	37	11	1	2	20	11	0	44	0	0	150	56	14	3	1	5	1	.274	.327	.415	.741
14	Cubs	1	NLCS	15	.333	5	10	484	47	93	21	1	18	45	30	5	140	5	0	523	170	40	2	2	3	2	.192	.246	.351	.597
15	Blue Jays	1	ALCS	18	.389	7	11	596	71	143	29	3	19	67	60	4	146	6	0	665	235	51	4	1	4	10	.240	.313	.394	.707
16	Guardians	1	ALCS	17	.471	8	9	571	64	131	28	1	19	61	51	2	149	10	1	633	218	48	4	5	5	9	.229	.293	.382	.674
17	Rockies	1	NLCS	4	1.000	4	0	135	18	30	3	0	3	16	18	1	39	2	0	157	42	6	2	1	1	1	.222	.316	.311	.627
18	Diamondbacks	1	NLCS	11	.364	4	7	375	29	91	16	2	7	29	27	5	97	9	2	411	132	25	2	2	2	8	.243	.301	.352	.653
19	Mets	1	NLCS	17	.529	9	8	567	74	142	25	4	20	73	63	12	121	13	1	651	235	49	5	4	4	10	.250	.336	.414	.750
20	White Sox	1	ALCS	5	.800	4	1	165	23	41	10	1	5	23	16	4	36	5	4	190	68	16	3	2	1	2	.248	.326	.412	.738