The Detroit Tigers have the best batting average by a team in a week, with an average of .474 the week of September 2, 1918.

	TEAM	AVG	WEEK	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	Tigers	.474	9/2/1918 - 9/8/1918	2	1.000	2	0	78	18	37	7	1	0		3	0	2	1		83	46	8	2				.494	.590	1.084
2	White Sox	.472	9/29/1924 - 10/5/1924	1	1.000	1	0	36	16	17	2	3	1	14	4	0	1	5	2	42	28	6	2				.525	.778	1.303
3	Giants	.444	4/10/1905 - 4/16/1905	2	1.000	2	0	72	25	32	6	2	3	19	4	1	4	4		79	51	11	2				.481	.708	1.189
4	Athletics	.442	9/28/1925 - 10/4/1925	2	.500	1	1	77	18	34	8	1	1	18	8	1	2	0		88	47	10	2				.500	.610	1.110
5	Cardinals	.439	8/29/1910 - 9/4/1910	2	1.000	2	0	66	22	29	4	4	0		11	0	4	2		79	41	8	2				.519	.621	1.141
6	Senators	.431	5/24/1920 - 5/30/1920	5	1.000	5	0	181	46	78	9	4	1	40	18	3	12	6		210	98	14	8				.490	.541	1.032
7	Rockies	.429	3/29/1999 - 4/4/1999	1	1.000	1	0	42	8	18	1	0	1	8	2	0	6	2	0	45	22	2	1	0	0	1	.455	.524	.978
8	Mariners	.429	10/2/1995 - 10/8/1995	1	1.000	1	0	28	9	12	2	0	0	8	4	1	4	0	1	37	14	2	3	1	0	3	.500	.500	1.000
9	Cardinals	.418	4/1/1974 - 4/7/1974	2	1.000	2	0	79	14	33	4	1	0	14	7	2	6	0	1	90	39	5	0	2	1	4	.467	.494	.960
10	Pirates	.415	4/30/1928 - 5/6/1928	6	.833	5	1	217	44	90	19	4	0	40	15	0	11	4		252	117	23	20				.453	.539	.992
11	Rustlers	.415	10/9/1911 - 10/15/1911	2	1.000	2	0	82	24	34	9	1	2		11	0	6	5		93	51	12	0				.484	.622	1.106
12	Tigers	.414	6/1/1925 - 6/7/1925	5	.600	3	2	186	43	77	19	3	3	41	21	0	15	3		215	111	25	8				.473	.597	1.070
13	Athletics	.412	6/7/2004 - 6/13/2004	6	1.000	6	0	228	71	94	21	1	13	66	34	3	36	3	0	269	156	35	1	3	2	7	.489	.684	1.173
14	Senators	.412	4/6/1959 - 4/12/1959	1	1.000	1	0	34	9	14	2	0	2	8	3	0	6	4	1	39	22	4	2	0	0	1	.459	.647	1.107
15	Indians	.412	7/20/1936 - 7/26/1936	7	.571	4	3	277	58	114	32	5	6	55	13	1	7	6		294	174	43	3				.440	.628	1.068
16	Tigers	.412	6/29/1936 - 7/5/1936	6	.833	5	1	260	73	107	17	4	7	67	25	1	23	3		289	153	28	3				.465	.588	1.053
17	Royals	.409	10/5/1981 - 10/11/1981	1	1.000	1	0	44	9	18	3	0	1	9	1	0	6	1	1	45	24	4	0	0	0	0	.422	.545	.968
18	Athletics	.408	6/15/1925 - 6/21/1925	6	1.000	6	0	218	69	89	24	5	3	65	33	1	18	5		259	132	32	7				.488	.606	1.094
19	Red Sox	.406	6/23/2003 - 6/29/2003	7	.857	6	1	261	75	106	30	3	14	75	33	2	29	3	2	301	184	47	0	5	2	3	.468	.705	1.173
20	Pirates	.405	8/7/1922 - 8/13/1922	7	.857	6	1	296	74	120	22	4	6	68	14	3	14	3		322	168	32	9				.438	.568	1.005
21	Tip-Tops	.405	4/5/1915 - 4/11/1915	1	1.000	1	0	37	13	15	3	2	1	11	6	1	4	1		44	25	6	0				.500	.676	1.176
22	Beaneaters	.405	4/15/1901 - 4/21/1901	1	1.000	1	0	37	7	15	2	0	0	5	1	0	4	3	-9	38	17	2	0		-9	-9	.421	.459	.881
23	Cardinals	.405	5/7/1923 - 5/13/1923	5	.600	3	2	205	45	83	20	3	8	43	10	1	16	7		222	133	31	6				.435	.649	1.084
24	Giants	.405	9/21/1931 - 9/27/1931	2	.500	1	1	84	18	34	5	1	1	16	6	0	9	0		90	44	7	0				.444	.524	.968
25	Giants	.405	4/15/1929 - 4/21/1929	2	1.000	2	0	84	25	34	6	0	2	21	11	2	6	5		98	46	8	1				.485	.548	1.032