The Atlanta Braves had the most runs by a team in a loss in 2023, with 13 runs versus the Diamondbacks on July 18, 2023.

Interpreted as:

MLB most runs in a regular-season loss in 2023

	TEAM	R	L	DATE	TM		OPP	RESULT	W	L%	AB	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Braves	13	1	7/18/2023	ATL	vs	ARI	L 13-16	0	1.000	37	11	4	0	3	13	4	0	5	1	0	41	24	7	0	0	0	0	.297	.366	.649	1.015
2	Reds	12	1	9/23/2023	CIN	vs	PIT	L 12-13	0	1.000	41	16	4	0	3	12	5	0	8	3	0	46	29	7	0	0	0	1	.390	.457	.707	1.164
3	Red Sox	12	1	9/9/2023	BOS	vs	BAL	L 12-13	0	1.000	50	23	4	0	1	11	2	0	8	2	0	53	30	5	0	1	0	1	.460	.472	.600	1.072
4	Astros	12	1	7/15/2023	HOU	@	LAA	L 12-13	0	1.000	44	16	2	0	2	12	4	0	9	0	1	49	24	4	0	1	1	0	.364	.408	.545	.954
5	Rangers	11	1	7/3/2023	TEX	vs	HOU	L 11-12	0	1.000	39	12	1	0	3	11	1	0	7	1	0	42	22	4	1	1	0	0	.308	.317	.564	.881
6	Giants	11	1	4/29/2023	SFG	@	SDP	L 11-16	0	1.000	39	13	4	0	5	11	5	1	12	0	0	45	32	9	0	0	0	0	.333	.422	.821	1.243
7	Angels	11	1	4/9/2023	LAA	vs	TOR	L 11-12	0	1.000	42	13	1	0	4	11	5	1	14	0	0	48	26	5	0	0	0	1	.310	.396	.619	1.015
8	Athletics	11	1	4/3/2023	OAK	vs	CLE	L 11-12	0	1.000	43	14	3	0	3	11	3	0	9	0	0	46	26	6	0	0	0	1	.326	.370	.605	.974
9	Rockies	10	1	9/17/2023	COL	vs	SFG	L 10-11	0	1.000	43	15	2	0	2	9	1	1	7	0	0	46	23	4	0	1	0	1	.349	.370	.535	.904
10	White Sox	10	1	9/12/2023	CWS	vs	KCR	L 10-11	0	1.000	37	10	3	0	1	10	2	0	6	0	0	40	16	4	0	1	0	0	.270	.300	.432	.732
11	White Sox	10	1	7/18/2023	CWS	@	NYM	L 10-11	0	1.000	40	12	3	0	1	9	6	1	9	2	0	47	18	4	0	0	0	0	.300	.404	.450	.854
12	Tigers	10	1	7/18/2023	DET	@	KCR	L 10-11	0	1.000	37	11	2	0	2	10	7	0	8	2	0	45	19	4	0	1	0	0	.297	.400	.514	.914
13	Reds	10	1	7/18/2023	CIN	vs	SFG	L 10-11	0	1.000	39	14	1	0	4	9	3	1	13	0	1	43	27	5	0	0	0	2	.359	.419	.692	1.111
14	Braves	10	1	6/23/2023	ATL	@	CIN	L 10-11	0	1.000	41	16	2	0	5	10	3	0	8	2	1	44	33	7	0	0	0	1	.390	.432	.805	1.237
15	Mets	10	1	6/8/2023	NYM	@	ATL	L 10-13	0	1.000	43	14	1	0	3	10	5	0	16	2	0	48	24	4	0	0	0	1	.326	.396	.558	.954
16	Dodgers	10	1	5/28/2023	LAD	@	TBR	L 10-11	0	1.000	38	12	2	0	5	9	4	0	9	0	0	44	29	7	0	2	1	1	.316	.364	.763	1.127
17	Mets	10	1	5/28/2023	NYM	@	COL	L 10-11	0	1.000	38	14	3	3	2	10	7	0	5	2	0	45	29	8	0	0	0	3	.368	.467	.763	1.230
18	Royals	10	1	5/26/2023	KCR	vs	WSH	L 10-12	0	1.000	39	13	3	0	2	9	5	0	9	2	0	44	22	5	0	0	0	1	.333	.409	.564	.973
19	Royals	10	1	5/4/2023	KCR	vs	BAL	L 10-13	0	1.000	41	16	5	1	3	10	6	0	11	1	1	47	32	9	0	0	1	1	.390	.468	.780	1.249
20	Angels	10	1	4/24/2023	LAA	vs	OAK	L 10-11	0	1.000	40	13	4	0	3	10	4	2	8	0	1	46	26	7	0	0	0	1	.325	.413	.650	1.063
21	Braves	9	1	10/1/2023	ATL	vs	WSH	L 9-10	0	1.000	38	11	3	0	2	9	4	2	8	0	0	44	20	5	0	0	0	0	.289	.386	.526	.913
22	Rockies	9	1	9/18/2023	COL	@	SDP	L 9-11	0	1.000	41	13	2	1	1	9	3	1	13	0	0	45	20	4	0	0	0	0	.317	.378	.488	.866
23	Rockies	9	1	9/1/2023	COL	vs	TOR	L 9-13	0	1.000	39	11	4	1	2	8	2	0	7	0	0	41	23	7	0	0	0	1	.282	.317	.590	.907
24	Reds	9	1	8/1/2023	CIN	@	CHC	L 9-20	0	1.000	40	12	4	0	1	7	3	0	7	0	0	43	19	5	0	0	0	1	.300	.349	.475	.824
25	Rangers	9	1	7/24/2023	TEX	@	HOU	L 9-10	0	1.000	36	10	0	0	2	8	7	0	11	1	1	44	16	2	0	1	0	0	.278	.386	.444	.831