The Washington Nationals scored the most runs by a team in a game in 2018, with 25 runs against the Mets on July 31, 2018.

Interpreted as:

MLB team most runs in a regular-season game 2018

	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	Nationals	25	7/31/2018	WSH	vs	NYM	W 25-4	50	26	5	2	5	25	8	1	6	2	0	59	50	12	0	0	1	0	.520	.593	1.000	1.593
2	Mets	24	8/16/2018	NYM	@	PHI	W 24-4	52	25	7	1	3	19	7	1	5	1	0	61	43	11	1	0	1	2	.481	.550	.827	1.377
3	Athletics	21	9/20/2018	OAK	vs	LAA	W 21-3	44	22	4	0	3	20	7	0	7	0	0	51	35	7	0	0	0	2	.500	.569	.795	1.364
4	Dodgers	21	8/2/2018	LAD	vs	MIL	W 21-5	42	18	5	0	7	20	6	1	7	1	0	49	44	12	0	0	0	1	.429	.510	1.048	1.558
5	Diamondbacks	20	7/7/2018	ARI	vs	SDP	W 20-5	41	18	4	0	5	19	7	1	10	0	0	50	37	9	0	1	0	1	.439	.520	.902	1.422
6	Phillies	20	4/7/2018	PHI	vs	MIA	W 20-1	42	20	4	0	4	20	6	0	11	0	0	49	36	8	0	1	0	1	.476	.531	.857	1.388
7	Red Sox	19	9/26/2018	BOS	vs	BAL	W 19-3	45	22	9	0	5	19	3	0	7	1	0	48	46	14	0	0	0	1	.489	.521	1.022	1.543
8	Red Sox	19	8/10/2018	BOS	@	BAL	W 19-12	41	16	5	1	3	18	10	1	6	1	0	53	32	9	0	1	1	1	.390	.509	.780	1.290
9	Rays	19	7/14/2018	TBR	@	MIN	W 19-6	44	20	5	1	3	19	4	1	7	0	1	50	36	9	0	1	1	0	.455	.500	.818	1.318
10	Indians	19	7/11/2018	CLE	vs	CIN	W 19-4	42	19	1	0	4	19	7	0	6	0	0	49	32	5	0	0	0	2	.452	.531	.762	1.293
11	Rockies	19	7/11/2018	COL	vs	ARI	W 19-2	43	19	4	1	5	18	6	0	4	1	0	49	40	10	0	0	0	0	.442	.510	.930	1.440
12	Rangers	18	9/2/2018	TEX	vs	MIN	W 18-4	42	19	6	1	6	15	2	3	8	0	0	48	45	13	0	1	0	1	.452	.500	1.071	1.571
13	Cardinals	18	7/20/2018	STL	@	CHC	W 18-5	41	18	5	0	5	18	8	0	2	0	0	52	38	10	2	1	0	1	.439	.520	.927	1.447
14	Nationals	18	7/7/2018	WSH	vs	MIA	W 18-4	40	17	3	0	3	18	4	0	3	0	0	45	29	6	0	1	1	0	.425	.467	.725	1.192
15	Dodgers	17	9/15/2018	LAD	@	STL	W 17-4	41	16	1	0	5	16	10	1	9	0	0	52	32	6	0	0	1	2	.390	.519	.780	1.300
16	Rangers	17	8/2/2018	TEX	vs	BAL	W 17-8	41	18	6	0	3	16	10	0	8	0	0	51	33	9	0	0	0	0	.439	.549	.805	1.354
17	Phillies	17	7/6/2018	PHI	@	PIT	W 17-5	44	18	5	0	2	17	10	2	12	0	0	57	29	7	0	1	0	1	.409	.526	.659	1.185
18	Dodgers	17	7/2/2018	LAD	vs	PIT	W 17-1	46	21	5	0	4	15	6	0	7	0	0	52	38	9	0	0	0	0	.457	.519	.826	1.345
19	Nationals	17	6/29/2018	WSH	@	PHI	W 17-7	44	18	3	0	7	17	7	0	12	1	0	52	42	10	0	1	0	0	.409	.481	.955	1.435
20	Brewers	17	5/26/2018	MIL	vs	NYM	W 17-6	43	19	6	1	2	17	8	0	9	2	0	51	33	9	0	0	0	1	.442	.529	.767	1.297
21	Orioles	17	5/13/2018	BAL	vs	TBR	W 17-1	44	19	3	1	4	17	5	0	5	0	0	49	36	8	0	0	0	0	.432	.490	.818	1.308
22	Mets	16	8/15/2018	NYM	@	BAL	W 16-5	44	19	4	3	3	15	5	2	6	1	0	52	38	10	0	1	0	1	.432	.500	.864	1.364
23	Indians	16	7/21/2018	CLE	@	TEX	W 16-3	47	21	8	1	3	15	2	1	3	0	0	50	40	12	0	0	0	0	.447	.480	.851	1.331
24	Athletics	16	6/1/2018	OAK	@	KCR	W 16-0	41	16	1	1	4	16	5	0	11	0	0	47	31	6	0	1	0	1	.390	.447	.756	1.203
25	Astros	16	5/7/2018	HOU	@	OAK	W 16-2	45	20	5	0	3	14	6	0	4	0	0	51	34	8	0	0	0	2	.444	.510	.756	1.265