The Atlanta Braves had the most runs by a team in a game in 2020, with 29 runs against the Marlins on September 9, 2020.

Interpreted as:

most runs in a regular-season game 2020 by team

	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	Braves	29	9/9/2020	ATL	vs	MIA	W 29-9	47	23	2	0	7	28	9	1	9	2	0	58	46	9	0	1	0	0	.489	.569	.979	1.548
2	Giants	23	9/1/2020	SFG	@	COL	W 23-5	52	27	8	1	4	23	5	1	6	1	0	59	49	13	0	1	0	0	.519	.559	.942	1.502
3	Yankees	20	9/15/2020	NYY	vs	TOR	W 20-6	41	16	5	0	6	20	7	2	9	0	0	50	39	11	0	0	0	0	.390	.500	.951	1.451
4	Brewers	19	9/9/2020	MIL	@	DET	W 19-0	45	21	8	0	5	18	7	2	6	0	1	54	44	13	0	0	0	2	.467	.556	.978	1.533
5	Brewers	18	9/15/2020	MIL	vs	STL	W 18-3	36	15	3	0	4	17	7	0	9	0	0	45	30	7	0	2	0	2	.417	.489	.833	1.322
6	Mets	18	9/11/2020	NYM	@	TOR	W 18-1	47	19	5	0	3	17	6	2	10	0	0	55	33	8	0	0	0	1	.404	.491	.702	1.193
7	Rays	17	8/13/2020	TBR	@	BOS	W 17-8	47	19	2	1	4	16	5	0	13	0	0	53	35	7	0	1	0	1	.404	.453	.745	1.198
8	Tigers	17	8/7/2020	DET	@	PIT	W 17-13	49	16	4	0	1	17	6	1	16	1	0	56	23	5	0	0	0	1	.327	.411	.469	.880
9	Cardinals	16	9/1/2020	STL	@	CIN	W 16-2	49	23	5	0	2	15	6	1	8	0	0	56	34	7	0	0	0	1	.469	.536	.694	1.230
10	Angels	16	8/29/2020	LAA	vs	SEA	W 16-3	35	13	2	0	3	16	11	2	7	0	0	49	24	5	0	1	0	1	.371	.531	.686	1.216
11	Nationals	16	8/10/2020	WSH	@	NYM	W 16-4	44	17	4	0	4	16	3	1	7	0	0	49	33	8	0	1	0	0	.386	.429	.750	1.179
12	Nationals	15	9/27/2020	WSH	vs	NYM	W 15-5	33	11	3	0	2	15	11	1	10	0	0	47	20	5	0	2	0	0	.333	.489	.606	1.095
13	Nationals	15	9/20/2020	WSH	@	MIA	W 15-0	39	18	6	0	5	15	4	0	2	0	0	43	39	11	0	0	0	1	.462	.512	1.000	1.512
14	Braves	15	9/18/2020	ATL	@	NYM	W 15-2	43	17	4	0	6	15	9	0	12	0	0	52	39	10	0	0	0	0	.395	.500	.907	1.407
15	Dodgers	15	9/18/2020	LAD	@	COL	W 15-6	43	17	3	1	3	15	4	1	3	0	0	48	31	7	0	0	0	2	.395	.458	.721	1.179
16	Athletics	15	8/16/2020	OAK	@	SFG	W 15-3	41	17	4	2	3	14	7	0	8	0	0	48	34	9	0	0	0	2	.415	.500	.829	1.329
17	Nationals	15	8/14/2020	WSH	@	BAL	W 15-3	44	19	4	1	1	15	2	1	5	1	0	50	28	6	1	2	0	0	.432	.449	.636	1.085
18	Blue Jays	14	9/23/2020	TOR	vs	NYY	W 14-1	40	16	4	0	2	13	5	1	6	0	1	46	26	6	0	0	0	0	.400	.478	.650	1.128
19	Giants	14	9/20/2020	SFG	@	OAK	W 14-2	41	15	1	0	3	14	8	0	14	1	0	49	25	4	0	0	0	0	.366	.469	.610	1.079
20	Marlins	14	9/18/2020	MIA	vs	WSH	W 14-3	31	12	1	0	4	14	5	2	6	1	0	38	25	5	0	0	0	1	.387	.500	.806	1.306
21	Orioles	14	9/14/2020	BAL	vs	ATL	W 14-1	38	15	0	0	4	14	9	0	9	1	0	47	27	4	0	0	0	1	.395	.511	.711	1.221
22	White Sox	14	9/12/2020	CWS	vs	DET	W 14-0	42	19	2	0	2	14	4	0	9	0	0	47	27	4	0	1	0	2	.452	.489	.643	1.132
23	Padres	14	9/8/2020	SDP	vs	COL	W 14-5	34	14	5	0	3	13	5	2	4	0	0	42	28	8	0	1	0	2	.412	.500	.824	1.324
24	Mets	14	9/6/2020	NYM	vs	PHI	W 14-1	42	17	7	0	5	13	2	2	14	0	1	46	39	12	0	0	1	0	.405	.457	.929	1.385
25	Indians	14	8/28/2020	CLE	@	STL	W 14-2	44	20	4	0	3	13	7	1	5	1	0	53	33	7	0	1	0	0	.455	.528	.750	1.278