The New York Mets didn't give up any grand slams against the Marlins on September 28.

Interpreted as:

most allowed mets grand slams in a regular-season game

	TEAM	DATE	GRANDSLAM	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Mets	9/28/2025	0	NYM	@	MIA		1	4.50	6	0	0	0	8.0	9	4	4	0	3	1	1	0	37	1	6.75	3.38	2.00	0.00	16.2	8.1	1.50	.333	4.50	10.13
2	Mets	9/27/2025	0	NYM	@	MIA		1	0.00	5	0	0	0	9.0	1	0	0	0	3	1	1	0	32	0	5.00	3.00	1.67	0.00	15.6	9.4	0.44	.043	0.00	1.00
3	Mets	9/26/2025	0	NYM	@	MIA		1	6.75	6	0	0	0	8.0	10	6	6	1	1	2	1	0	35	0	6.75	1.13	6.00	1.13	17.1	2.9	1.38	.360	6.75	11.25
4	Mets	9/25/2025	0	NYM	@	CHC	W	1	5.00	14	0	0	1	9.0	7	5	5	3	2	0	1	0	35	0	14.00	2.00	7.00	3.00	40.0	5.7	1.00	.250	5.00	7.00
5	Mets	9/24/2025	0	NYM	@	CHC	L	1	9.00	6	0	0	0	8.0	11	8	10	2	3	0	1	0	38	1	6.75	3.38	2.00	2.25	15.8	7.9	1.75	.333	11.25	12.38
6	Mets	9/23/2025	0	NYM	@	CHC		1	6.00	11	0	0	1	9.0	9	6	7	0	5	0	1	0	42	0	11.00	5.00	2.20	0.00	26.2	11.9	1.56	.346	7.00	9.00
7	Mets	9/21/2025	0	NYM	vs	WSH		1	3.00	12	0	0	0	9.0	9	3	3	1	0	0	1	0	35	0	12.00	0.00		1.00	34.3	0.0	1.00	.364	3.00	9.00
8	Mets	9/20/2025	0	NYM	vs	WSH		1	1.64	12	0	0	0	11.0	6	2	5	1	3	0	1	0	42	2	9.82	2.45	4.00	0.82	28.6	7.1	0.82	.192	4.09	4.91
9	Mets	9/19/2025	0	NYM	vs	WSH		1	6.00	10	0	0	0	9.0	8	6	6	1	2	0	1	0	36	0	10.00	2.00	5.00	1.00	27.8	5.6	1.11	.304	6.00	8.00
10	Mets	9/18/2025	0	NYM	vs	SDP	W	1	0.00	10	0	0	0	9.0	6	0	1	0	0	0	1	0	32	1	10.00	0.00		0.00	31.3	0.0	0.67	.273	1.00	6.00
11	Mets	9/17/2025	1	NYM	vs	SDP		1	7.00	4	0	0	0	9.0	12	7	7	2	5	2	1	0	43	0	4.00	5.00	0.80	2.00	9.3	11.6	1.89	.333	7.00	12.00
12	Mets	9/16/2025	0	NYM	vs	SDP		1	3.00	6	0	0	0	9.0	7	3	3	3	1	0	1	0	34	0	6.00	1.00	6.00	3.00	17.6	2.9	0.89	.167	3.00	7.00
13	Mets	9/14/2025	0	NYM	vs	TEX		1	1.80	8	0	0	0	10.0	8	2	2	0	4	2	1	0	41	0	7.20	3.60	2.00	0.00	19.5	9.8	1.20	.296	1.80	7.20
14	Mets	9/13/2025	0	NYM	vs	TEX		1	2.00	6	0	0	0	9.0	11	2	3	0	1	0	1	0	39	1	6.00	1.00	6.00	0.00	15.4	2.6	1.33	.344	3.00	11.00
15	Mets	9/12/2025	0	NYM	vs	TEX	L	1	8.00	3	0	0	0	9.0	11	8	8	1	5	1	1	0	43	1	3.00	5.00	0.60	1.00	7.0	11.6	1.78	.303	8.00	11.00
16	Mets	9/11/2025	0	NYM	@	PHI		1	6.75	10	0	0	0	8.0	11	6	6	1	3	0	1	0	37	0	11.25	3.38	3.33	1.13	27.0	8.1	1.75	.435	6.75	12.38
17	Mets	9/10/2025	0	NYM	@	PHI		1	12.38	12	0	0	0	8.0	14	11	11	2	4	4	1	0	46	1	13.50	4.50	3.00	2.25	26.1	8.7	2.25	.500	12.38	15.75
18	Mets	9/9/2025	0	NYM	@	PHI		1	10.13	8	0	0	0	8.0	13	9	9	3	1	1	1	0	38	0	9.00	1.13	8.00	3.38	21.1	2.6	1.75	.400	10.13	14.62
19	Mets	9/8/2025	0	NYM	@	PHI	L	1	1.13	8	0	0	0	8.0	7	1	1	0	3	0	1	0	32	0	9.00	3.38	2.67	0.00	25.0	9.4	1.25	.333	1.13	7.88
20	Mets	9/7/2025	0	NYM	@	CIN		1	3.38	9	0	0	0	8.0	4	3	3	0	4	0	1	0	31	0	10.13	4.50	2.25	0.00	29.0	12.9	1.00	.222	3.38	4.50
21	Mets	9/6/2025	0	NYM	@	CIN	L	1	6.75	7	0	0	0	8.0	6	6	6	3	6	0	1	0	34	0	7.88	6.75	1.17	3.38	20.6	17.6	1.50	.167	6.75	6.75
22	Mets	9/5/2025	0	NYM	@	CIN		1	4.00	11	0	0	1	9.0	9	4	4	0	4	0	1	0	40	0	11.00	4.00	2.75	0.00	27.5	10.0	1.44	.360	4.00	9.00
23	Mets	9/3/2025	0	NYM	@	DET		1	5.63	9	0	0	0	8.0	10	5	6	1	4	0	1	0	37	2	10.13	4.50	2.25	1.13	24.3	10.8	1.75	.391	6.75	11.25
24	Mets	9/2/2025	0	NYM	@	DET	W	1	5.00	8	0	0	0	9.0	8	5	5	0	5	0	1	0	37	1	8.00	5.00	1.60	0.00	21.6	13.5	1.44	.333	5.00	8.00
25	Mets	9/1/2025	0	NYM	@	DET		1	8.00	10	0	0	1	9.0	14	8	8	2	2	0	1	0	43	1	10.00	2.00	5.00	2.00	23.3	4.7	1.78	.414	8.00	14.00