most amount of pennant wins for an mlb team

The New York Yankees have the most series wins by a team in the League Championship Series, with 12 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	12	ALCS	99	.545	54	45	3,406	436	845	161	15	115	408	374	34	738	51	23	3,860	1,381	291	25	21	30	58	.248	.327	.405	.732
2	Dodgers	10	NLCS	91	.516	47	44	3,041	384	733	119	18	103	373	350	29	696	68	16	3,461	1,197	240	30	11	43	70	.241	.324	.394	.718
3	Cardinals	7	NLCS	81	.469	38	43	2,667	307	650	110	17	64	285	224	24	560	37	16	2,982	986	191	44	23	28	50	.244	.306	.370	.675
4	Phillies	6	NLCS	54	.537	29	25	1,797	236	439	83	13	60	221	187	19	393	32	12	2,041	728	156	27	11	30	37	.244	.320	.405	.725
5	Red Sox	6	ALCS	68	.471	32	36	2,358	320	601	123	12	78	295	233	24	497	26	12	2,648	982	213	17	16	12	68	.255	.326	.416	.743
6	Athletics	6	ALCS	46	.500	23	23	1,503	156	358	68	6	35	147	158	13	292	54	17	1,707	543	109	22	11	16	37	.238	.314	.361	.675
7	Braves	6	NLCS	73	.466	34	39	2,481	308	618	107	13	70	296	260	16	553	50	19	2,806	961	190	31	18	38	41	.249	.322	.387	.710
8	Astros	5	ALCS	66	.515	34	32	2,214	261	516	81	10	76	248	254	27	445	30	14	2,528	845	167	20	13	23	47	.233	.318	.382	.699
9	Giants	5	NLCS	39	.615	24	15	1,289	169	321	49	8	41	155	127	11	278	13	6	1,459	509	98	25	7	19	21	.249	.320	.395	.715
10	Reds	5	NLCS	32	.563	18	14	1,067	104	249	45	8	25	97	87	5	219	35	12	1,184	385	78	12	13	18	23	.233	.291	.361	.652
11	Orioles	5	ALCS	41	.512	21	20	1,416	175	344	63	3	44	168	144	7	257	13	13	1,588	545	110	8	13	13	36	.243	.313	.385	.698
12	Mets	5	NLCS	49	.571	28	21	1,704	224	409	75	9	45	213	175	19	346	37	9	1,931	637	129	19	14	20	31	.240	.315	.374	.689
13	Royals	4	ALCS	37	.541	20	17	1,221	163	310	52	14	30	157	104	9	211	25	26	1,361	480	96	9	18	8	15	.254	.313	.393	.706
14	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
15	Guardians	3	ALCS	35	.514	18	17	1,189	125	269	45	5	40	116	115	12	299	30	3	1,331	444	90	7	8	8	23	.226	.299	.373	.673
16	Blue Jays	3	ALCS	47	.426	20	27	1,602	193	415	76	7	37	181	150	9	302	40	10	1,782	616	120	9	12	11	29	.259	.324	.385	.708
17	Tigers	3	ALCS	33	.545	18	15	1,137	131	283	46	4	43	127	110	9	224	18	3	1,273	466	93	12	5	10	31	.249	.319	.410	.729
18	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
19	Diamondbacks	2	NLCS	16	.500	8	8	547	51	131	22	2	9	50	45	6	129	12	3	604	184	33	4	2	7	13	.239	.303	.336	.640
20	Marlins	2	NLCS	13	.615	8	5	437	60	104	20	3	11	59	51	5	97	6	4	503	163	34	8	2	10	8	.238	.323	.373	.696
21	Padres	2	NLCS	16	.500	8	8	531	65	128	16	1	13	58	50	5	119	4	3	594	185	30	4	4	4	13	.241	.310	.348	.659
22	Pirates	2	NLCS	42	.405	17	25	1,384	136	311	62	8	30	129	135	10	275	19	10	1,556	479	100	19	8	20	21	.225	.297	.346	.643
23	Twins	2	ALCS	21	.429	9	12	723	88	174	38	4	15	84	63	7	149	15	6	806	265	57	6	7	8	14	.241	.305	.367	.672
24	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
25	Cubs	1	NLCS	32	.344	11	21	1,073	137	253	51	8	43	132	89	10	252	15	3	1,192	449	102	13	7	11	15	.236	.299	.418	.717