The New York Mets had their most runs in a game in 2021 versus the Reds on July 19, 2021, with 15 runs.

Interpreted as:

most runs by mets in a regular-season game in 2021

	TEAM	R	DATE	TM		OPP	RESULT	AB	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Mets	15	7/19/2021	NYM	@	CIN	W 15-11	49	18	1	0	7	15	3	0	10	1	0	52	40	8	0	0	0	1	.367	.404	.816	1.220
2	Mets	14	6/9/2021	NYM	@	BAL	W 14-1	40	16	4	0	6	14	2	1	8	0	0	43	38	10	0	0	0	3	.400	.442	.950	1.392
3	Mets	13	9/5/2021	NYM	@	WSH	W 13-6	39	16	3	0	4	13	4	1	8	2	0	46	31	7	0	2	0	1	.410	.457	.795	1.251
4	Mets	13	7/9/2021	NYM	vs	PIT	W 13-4	34	10	1	0	4	13	4	1	13	0	0	39	23	5	0	0	0	0	.294	.385	.676	1.061
5	Mets	13	5/29/2021	NYM	vs	ATL	W 13-2	38	13	1	0	5	13	3	1	12	0	0	42	29	6	0	0	0	0	.342	.405	.763	1.168
6	Mets	12	9/30/2021	NYM	vs	MIA	W 12-3	31	10	3	0	3	12	7	2	6	1	0	41	22	6	1	0	1	2	.323	.475	.710	1.185
7	Mets	11	9/4/2021	NYM	@	WSH	W 11-9	38	13	1	0	3	11	2	0	8	1	1	43	23	4	1	2	0	0	.342	.357	.605	.962
8	Mets	10	9/10/2021	NYM	vs	NYY	W 10-3	33	11	2	0	1	8	4	2	10	0	1	40	16	3	0	1	0	0	.333	.425	.485	.910
9	Mets	10	7/4/2021	NYM	@	NYY	W 10-5	33	13	1	0	2	10	5	2	12	1	0	40	20	3	0	0	0	0	.394	.500	.606	1.106
10	Mets	9	9/7/2021	NYM	@	MIA	W 9-4	35	6	2	0	2	9	5	2	5	0	0	42	14	4	0	0	0	1	.171	.310	.400	.710
11	Mets	9	8/29/2021	NYM	vs	WSH	W 9-4	34	11	1	1	2	8	4	3	8	2	0	41	20	4	0	0	1	1	.324	.439	.588	1.027
12	Mets	8	8/10/2021	NYM	vs	WSH	W 8-7	37	13	6	0	0	7	1	0	2	0	0	39	19	6	1	0	0	0	.351	.368	.514	.882
13	Mets	8	7/3/2021	NYM	@	NYY	W 8-3	42	14	1	0	0	7	5	0	15	0	0	47	15	1	0	0	0	0	.333	.404	.357	.761
14	Mets	8	5/2/2021	NYM	@	PHI	W 8-7	45	17	4	0	1	7	2	0	9	0	0	47	24	5	0	0	0	0	.378	.404	.533	.938
15	Mets	8	4/6/2021	NYM	@	PHI	W 8-4	31	5	2	0	2	7	8	1	7	2	0	41	13	4	0	1	0	0	.161	.341	.419	.761
16	Mets	7	9/12/2021	NYM	vs	NYY	W 7-6	32	9	1	0	3	7	5	1	5	1	0	40	19	4	1	1	0	1	.281	.385	.594	.978
17	Mets	7	9/11/2021	NYM	vs	NYY	L 7-8	37	11	2	1	2	7	6	0	11	1	0	44	21	5	1	0	0	0	.297	.395	.568	.963
18	Mets	7	8/22/2021	NYM	@	LAD	W 7-2	35	9	3	0	1	7	4	3	8	0	0	42	15	4	0	0	1	1	.257	.381	.429	.810
19	Mets	7	7/21/2021	NYM	@	CIN	W 7-0	37	9	1	0	3	7	6	1	4	0	0	44	19	4	0	0	0	0	.243	.364	.514	.877
20	Mets	7	7/18/2021	NYM	@	PIT	W 7-6	38	11	1	0	2	6	6	1	11	0	0	45	18	3	0	0	0	0	.289	.400	.474	.874
21	Mets	7	7/17/2021	NYM	@	PIT	L 7-9	34	11	5	0	3	7	5	0	5	0	0	40	25	8	1	0	0	3	.324	.410	.735	1.146
22	Mets	7	6/23/2021	NYM	vs	ATL	W 7-3	35	13	3	0	1	6	4	0	9	0	0	40	19	4	1	0	0	2	.371	.436	.543	.979
23	Mets	7	6/2/2021	NYM	@	ARI	W 7-6	41	16	2	0	1	6	1	0	6	0	0	42	21	3	0	0	0	2	.390	.405	.512	.917
24	Mets	7	5/12/2021	NYM	vs	BAL	W 7-1	34	10	2	1	0	7	2	0	8	2	0	36	14	3	0	0	0	0	.294	.333	.412	.745
25	Mets	7	5/5/2021	NYM	@	STL	W 7-2	30	9	1	0	2	6	3	1	3	0	0	34	16	3	0	0	0	0	.300	.382	.533	.916