The New York Yankees have launched the most home runs by a team in a March game, with 9 home runs versus the Brewers on March 29.

Interpreted as:

MLB team most home run in a march regular-season game

	TEAM	HR	DATE	TM		OPP	RESULT	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Yankees	9	3/29/2025	NYY	vs	MIL	W 20-9	40	20	16	2	0	20	8	2	5	0	0	51	45	11	0	1	0	0	.400	.510	1.125	1.635
2	Dodgers	8	3/28/2019	LAD	vs	ARI	W 12-5	35	12	12	1	0	12	3	0	3	0	0	39	37	9	1	0	0	0	.343	.395	1.057	1.452
3	Orioles	6	3/27/2025	BAL	@	TOR	W 12-2	39	12	14	1	0	12	5	1	8	0	1	45	33	7	0	0	0	0	.359	.444	.846	1.291
4	White Sox	6	3/29/2018	CWS	@	KCR	W 14-7	39	14	14	3	0	14	7	1	7	0	0	47	35	9	0	0	0	1	.359	.468	.897	1.366
5	Royals	5	3/31/2024	KCR	vs	MIN	W 11-0	38	11	14	2	1	10	3	0	7	0	0	41	33	8	0	0	0	0	.368	.415	.868	1.283
6	Mariners	5	3/28/2019	SEA	vs	BOS	W 12-4	36	12	12	2	1	11	4	2	9	0	0	43	31	8	0	1	0	0	.333	.419	.861	1.280
7	Mets	4	3/31/2025	NYM	@	MIA	W 10-4	36	10	11	3	0	10	3	2	4	0	0	41	26	7	0	0	0	2	.306	.390	.722	1.112
8	Cubs	4	3/31/2025	CHC	@	ATH	W 18-3	48	18	21	6	1	18	10	1	7	0	0	60	41	11	0	1	0	0	.438	.533	.854	1.388
9	Yankees	4	3/30/2025	NYY	vs	MIL	W 12-3	33	12	11	0	0	11	4	1	6	0	0	39	23	4	0	1	1	1	.333	.410	.697	1.107
10	Braves	4	3/30/2024	ATL	@	PHI	W 12-4	42	12	18	4	0	12	3	0	5	1	0	45	34	8	0	0	0	3	.429	.467	.810	1.276
11	Dodgers	4	3/29/2024	LAD	vs	STL	W 6-3	30	6	7	1	0	6	2	0	9	0	0	32	20	5	0	0	0	1	.233	.281	.667	.948
12	Dodgers	4	3/30/2019	LAD	vs	ARI	W 18-5	41	18	19	3	0	18	6	3	4	0	0	51	34	7	1	0	1	1	.463	.560	.829	1.389
13	Diamondbacks	4	3/30/2019	ARI	@	LAD	L 5-18	32	5	7	0	0	5	3	0	7	0	0	35	19	4	0	0	0	2	.219	.286	.594	.879
14	Red Sox	4	3/29/2019	BOS	@	SEA	W 7-6	34	7	8	1	0	6	3	1	8	0	0	38	21	5	0	0	0	2	.235	.316	.618	.933
15	Nationals	4	3/31/2018	WSH	@	CIN	W 13-7	38	13	14	2	0	13	4	1	8	0	1	45	28	6	0	2	1	0	.368	.422	.737	1.159
16	Yankees	4	3/31/2004	NYY	@	TBD	W 12-1	35	12	11	0	0	12	8	2	4	1	0	45	23	4	0	0	0	2	.314	.467	.657	1.124
17	Brewers	4	3/31/2003	MIL	@	STL	L 9-11	39	9	12	2	0	8	2	0	7	0	0	42	26	6	0	1	0	0	.308	.333	.667	1.000
18	Mariners	4	3/31/1998	SEA	vs	CLE	L 9-10	36	9	12	2	0	9	2	1	7	0	0	40	26	6	1	0	0	1	.333	.385	.722	1.107
19	Reds	3	3/31/2025	CIN	vs	TEX	W 14-3	38	14	14	2	0	14	4	2	8	2	0	44	25	5	0	0	0	1	.368	.455	.658	1.112
20	Phillies	3	3/31/2025	PHI	vs	COL	W 6-1	33	6	11	4	0	6	1	0	5	0	0	34	24	7	0	0	0	1	.333	.353	.727	1.080
21	White Sox	3	3/31/2025	CWS	vs	MIN	W 9-0	32	9	8	0	0	9	5	0	5	2	0	38	17	3	0	1	0	0	.250	.342	.531	.873
22	Mariners	3	3/31/2025	SEA	vs	DET	L 6-9	35	6	8	2	1	6	6	0	9	0	0	41	21	6	0	0	0	0	.229	.341	.600	.941
23	Cubs	3	3/30/2025	CHC	@	AZ	L 6-10	35	6	9	1	0	6	4	0	10	0	0	39	19	4	0	0	0	1	.257	.333	.543	.876
24	Cardinals	3	3/30/2025	STL	vs	MIN	W 9-2	33	9	10	3	0	9	5	0	4	1	0	38	22	6	0	0	0	1	.303	.395	.667	1.061
25	Guardians	3	3/30/2025	CLE	@	KCR	W 6-2	35	6	11	1	0	6	6	0	6	0	0	42	21	4	0	1	0	2	.314	.405	.600	1.005