best batting average by a team in a single postseason

The Colorado Rockies have the best batting average by a team in a postseason, with an average of .342 in 2017.

	TEAM	AVG	SEASON	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Rockies	.342	2017	1	.000	0	1	38	8	13	3	0	2	8	1	0	6	0	0	40	22	5	1	0	0	1	.359	.579	.938
2	Yankees	.338	1960	7	.429	3	4	269	55	91	13	4	10	54	18	2	40	0	2	292	142	27	2	1	3	5	.383	.528	.911
3	Athletics	.322	1910	5	.800	4	1	177	35	57	19	2	1	30	17	2	24	7	7	203	83	22	7		0	3	.388	.469	.857
4	Angels	.320	2002	16	.688	11	5	565	101	181	30	3	24	95	39	6	82	11	2	623	289	57	8	5	8	13	.367	.512	.879
5	Red Sox	.313	2007	14	.786	11	3	476	99	149	41	1	18	96	66	4	85	6	1	559	246	60	4	9	8	23	.395	.517	.911
6	Yankees	.313	1932	4	1.000	4	0	144	37	45	6	0	8	36	23	4	26	0	2	172	75	14	1		3	5	.421	.521	.942
7	Brewers	.309	2023	2	.000	0	2	68	5	21	2	0	1	5	7	2	19	1	0	79	26	3	1	1	0	3	.385	.382	.767
8	Giants	.309	1922	5	1.000	4	0	162	18	50	2	1	1	18	12	0	15	1	3	177	57	4	3		1	6	.356	.352	.708
9	Braves	.308	2012	1	.000	0	1	39	3	12	2	1	1	3	3	0	7	0	0	42	19	4	0	0	0	0	.357	.487	.844
10	Orioles	.307	1970	8	.875	7	1	280	60	86	14	0	16	56	32	1	52	1	2	318	148	30	3	2	4	7	.378	.529	.906
11	Pirates	.306	1979	10	.700	7	3	356	47	109	21	3	7	46	29	3	48	4	4	404	157	31	8	8	11	6	.356	.441	.797
12	Blue Jays	.306	1993	12	.667	8	4	422	71	129	21	8	8	69	46	5	66	14	6	482	190	37	1	8	5	9	.374	.450	.824
13	Red Sox	.306	1999	10	.400	4	6	360	68	110	30	3	15	66	34	4	73	5	2	402	191	48	1	3	4	9	.369	.531	.900
14	Yankees	.304	1978	10	.700	7	3	362	55	110	11	1	8	52	23	2	58	5	3	389	147	20	1	1	2	7	.348	.406	.754
15	Cubs	.303	1989	5	.200	1	4	175	22	53	9	3	3	21	16	1	27	3	0	197	77	15	3	2	3	6	.361	.440	.801
16	Yankees	.302	1936	6	.667	4	2	215	43	65	8	1	7	41	26	1	35	1	5	245	96	16	3		1	3	.380	.447	.827
17	Padres	.302	2005	3	.000	0	3	106	11	32	4	0	3	11	10	3	17	2	0	120	45	7	0	1	0	7	.375	.425	.800
18	Dodgers	.300	1953	6	.333	2	4	213	27	64	13	1	8	26	15	2	30	2	1	232	103	22	2		2	4	.352	.484	.836
19	Yankees	.293	1923	6	.667	4	2	205	30	60	8	4	5	29	20	1	22	1	0	230	91	17	4		0	5	.358	.444	.802
20	Cubs	.293	1908	5	.800	4	1	164	24	48	4	2	1	20	13	0	26	15	8	185	59	7	8		0	3	.345	.360	.704
21	Phillies	.292	1980	11	.636	7	4	391	47	114	21	1	4	45	28	3	54	10	6	434	149	26	7	5	8	7	.340	.381	.721
22	Dodgers	.291	2006	3	.000	0	3	110	11	32	6	0	2	11	8	0	21	2	0	119	44	8	1	0	1	1	.339	.400	.739
23	White Sox	.291	2021	4	.250	1	3	141	18	41	3	0	3	18	12	4	39	0	1	158	53	6	0	1	0	5	.361	.376	.737
24	Cardinals	.290	1982	10	.700	7	3	348	56	101	20	5	5	50	32	1	42	8	3	391	146	30	6	4	4	3	.348	.420	.768
25	Royals	.289	1980	9	.556	5	4	304	37	88	15	3	11	36	35	1	64	9	6	345	142	29	2	3	3	9	.362	.467	.829