5 teams were tied for the most homers in a game in 1929, with 5 homers. 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 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