The Chicago White Sox have the most at-bats by a team in a week, with 475 at-bats the week of August 22, 1938.

	TEAM	AB	WEEK	G	W%	W	L	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	GIDP	AVG	OBP	SLG	OPS
1	White Sox	475	8/22/1938 - 8/28/1938	13	.308	4	9	62	141	26	9	9	60	25	0	39	8	504	212	44	4		.297	.332	.446	.778
2	Robins	436	9/1/1924 - 9/7/1924	12	.833	10	2	73	135	28	6	6	71	48	0	27	1	491	193	40	7		.310	.378	.443	.821
3	Giants	431	9/1/1924 - 9/7/1924	11	.636	7	4	89	150	23	13	6	78	36	1	28	9	477	217	42	9		.348	.400	.503	.903
4	Tigers	425	9/17/1923 - 9/23/1923	12	.455	5	6	71	120	24	1	3	63	58	6	27	4	506	155	28	17		.282	.376	.365	.741
5	Athletics	423	8/22/1938 - 8/28/1938	12	.500	6	6	73	132	17	11	6	72	51	3	29	1	490	189	34	13		.312	.390	.447	.837
6	Giants	420	9/12/1927 - 9/18/1927	12	.667	8	4	72	119	28	8	11	68	38	2	48	5	471	196	47	11		.283	.346	.467	.812
7	Senators	418	9/6/1937 - 9/12/1937	12	.583	7	5	56	111	21	2	5	49	54	1	54	6	479	151	28	6		.266	.351	.361	.712
8	White Sox	409	7/19/1948 - 7/25/1948	12	.167	2	10	39	100	6	1	3	35	32	2	44	4	446	117	10	3	11	.244	.302	.286	.589
9	Tigers	404	9/3/1945 - 9/9/1945	11	.800	8	2	68	122	19	3	12	66	33	0	35	5	443	183	34	6	7	.302	.355	.453	.808
10	Senators	403	8/18/1947 - 8/24/1947	11	.364	4	7	39	108	14	2	5	37	32	0	37	2	441	141	21	6	8	.268	.322	.350	.672
11	Athletics	403	5/30/1932 - 6/5/1932	10	.600	6	4	79	121	22	9	17	73	46	0	59	1	452	212	48	3		.300	.372	.526	.898
12	Americans	403	8/21/1905 - 8/27/1905	12	.333	4	8	37	81	15	2	2		25	4		8	404	106	19	10		.201	.255	.263	.518
13	Pirates	401	9/6/1926 - 9/12/1926	12	.583	7	5	50	114	19	4	5	46	30	3	30	1	442	156	28	8		.284	.339	.389	.728
14	Athletics	398	9/3/1945 - 9/9/1945	11	.545	6	5	54	111	16	3	2	48	42	3	23	2	454	139	21	11	8	.279	.352	.349	.701
15	White Sox	394	9/3/1945 - 9/9/1945	11	.273	3	8	49	105	19	5	5	47	43	1	47	9	443	149	29	5	8	.266	.340	.378	.718
16	Pirates	394	8/16/1943 - 8/22/1943	11	.545	6	5	51	107	24	4	8	49	40	1	50	3	439	163	36	4	12	.272	.340	.414	.754
17	Indians	392	8/22/1938 - 8/28/1938	11	.273	3	8	57	104	19	8	7	49	31	0	41	3	424	160	34	1		.265	.319	.408	.727
18	Pirates	390	7/18/1927 - 7/24/1927	11	.545	6	5	52	119	22	4	1	49	33	3	16	6	435	152	27	9		.305	.364	.390	.754
19	Braves	390	8/9/1920 - 8/15/1920	11	.364	4	7	49	109	13	6	1	48	30	2	32	5	433	137	20	11		.279	.334	.351	.685
20	Senators	390	9/5/1904 - 9/11/1904	11	.273	3	8	35	103	12	9	3	29	11	4		8	372	142	24	5		.264	.291	.364	.655
21	Pirates	388	7/17/1933 - 7/23/1933	11	.545	6	5	62	127	19	9	0	57	20	0	17	8	423	164	28	15		.327	.360	.423	.783
22	White Sox	387	8/21/1933 - 8/27/1933	11	.700	7	3	58	112	19	4	3	54	55	3	30	3	467	148	26	22		.289	.382	.382	.764
23	Red Sox	386	8/21/1933 - 8/27/1933	11	.364	4	7	42	102	31	3	2	39	33	1	29	7	423	145	36	3		.264	.324	.376	.699
24	Phillies	386	9/1/1924 - 9/7/1924	11	.182	2	9	63	127	15	2	15	59	32	3	32	3	432	191	32	11		.329	.385	.495	.880
25	Browns	385	9/5/1904 - 9/11/1904	12	.500	6	6	36	85	8	0	0	26	29	4		9	427	93	8	9		.221	.282	.242	.524