5 teams were tied for the most homers in a game in 1929, with 5 home runs. The first three are the Pittsburgh Pirates on July 10, 1929, the New York Giants on June 22, 1929 and the Chicago Cubs on June 4, 1929.

Interpreted as:

most hr hit by a team in a regular-season game in 1929

	TEAM	HR	DATE	TM		OPP	RESULT	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	AVG	OBP	SLG	OPS
1	Pirates	5	7/10/1929	PIT	@	PHN	W 15-9	42	15	19	3	0	15	3	1	1	1	0	47	37	8	1	.452	.500	.881	1.381
2	Giants	5	6/22/1929	NYG	@	PHN	W 12-5	41	12	14	2	0	12	2	0	5	0	0	43	31	7	0	.341	.372	.756	1.128
3	Cubs	5	6/4/1929	CHC	vs	NYG	W 10-9	35	10	13	0	0	9	2	0	2	0	0	38	28	5	1	.371	.405	.800	1.205
4	Phillies	5	6/1/1929	PHN	@	PIT	W 9-4	35	9	11	0	0	9	2	0	2	1	0	39	26	5	2	.314	.351	.743	1.094
5	Yankees	5	5/4/1929	NYY	@	CWS	W 11-9	42	11	16	4	0	11	1	0	7	0	0	44	35	9	1	.381	.395	.833	1.229
6	Yankees	4	8/7/1929	NYY	@	PHA	W 13-1	37	13	12	3	0	13	6	1	4	0	0	45	27	7	1	.324	.432	.730	1.162
7	Tigers	4	8/2/1929	DET	@	PHA	L 10-11	40	10	13	1	0	9	4	0	2	0	1	44	26	5	0	.325	.386	.650	1.036
8	Athletics	4	7/25/1929	PHA	vs	CLE	W 21-3	46	21	25	6	0	20	4	0	0	4	0	52	43	10	2	.543	.580	.935	1.515
9	Phillies	4	7/10/1929	PHN	vs	PIT	L 9-15	41	9	15	0	0	8	3	0	3	0	0	44	27	4	0	.366	.409	.659	1.068
10	Pirates	4	7/7/1929	PIT	@	BKN	W 17-6	41	17	14	2	3	14	9	1	1	0	0	52	34	9	1	.341	.471	.829	1.300
11	Indians	4	6/24/1929	CLE	@	SLA	W 10-4	36	10	12	1	0	10	4	0	1	1	1	41	25	5	1	.333	.400	.694	1.094
12	Giants	4	6/16/1929	NYG	@	BKN	W 11-4	39	11	15	1	0	11	5	0	1	0	0	46	28	5	2	.385	.455	.718	1.172
13	Athletics	4	6/1/1929	PHA	vs	DET	W 11-2	37	11	13	2	0	11	1	0	4	0	0	39	27	6	1	.351	.368	.730	1.098
14	Phillies	4	5/30/1929	PHN	vs	BSN	W 11-5	39	11	19	5	0	11	7	0	2	1	0	49	36	9	3	.487	.565	.923	1.488
15	Giants	4	5/25/1929	NYG	vs	BSN	W 10-3	35	10	13	3	0	10	6	0	1	1	0	42	28	7	1	.371	.463	.800	1.263
16	Phillies	4	5/11/1929	PHN	vs	PIT	W 11-6	38	11	14	2	0	11	4	0	5	0	0	43	28	6	1	.368	.429	.737	1.165
17	Giants	4	5/8/1929	NYG	vs	PIT	W 11-0	36	11	12	1	2	11	1	0	6	0	0	38	29	7	1	.333	.351	.806	1.157
18	Phillies	3	9/25/1929	PHN	vs	BKN	W 10-9	37	10	15	3	0	10	3	0	1	0	0	41	27	6	1	.405	.450	.730	1.180
19	Giants	3	9/24/1929	NYG	vs	BSN	W 5-4	31	5	5	1	0	5	2	0	2	1	0	33	15	4	0	.161	.212	.484	.696
20	Yankees	3	9/18/1929	NYY	vs	CLE	W 12-2	36	12	14	2	2	11	5	0	3	1	0	42	29	7	1	.389	.463	.806	1.269
21	Cubs	3	9/11/1929	CHC	vs	PHN	W 5-2	32	5	8	1	0	5	4	1	1	2	0	38	18	4	1	.250	.351	.563	.914
22	Yankees	3	9/8/1929	NYY	vs	DET	W 9-3	32	9	10	1	0	9	12	0	6	0	0	44	20	4	0	.313	.500	.625	1.125
23	Indians	3	9/7/1929	CLE	@	PHA	W 4-0	31	4	8	0	0	4	3	0	2	0	1	36	17	3	2	.258	.324	.548	.872
24	Giants	3	9/4/1929	NYG	vs	BSN	L 7-8	42	7	14	2	0	7	3	1	0	0	0	46	25	5	0	.333	.391	.595	.987
25	Yankees	3	9/1/1929	NYY	@	BSA	W 6-4	35	6	10	1	1	6	2	1	2	0	1	39	22	5	1	.286	.342	.629	.971