Ben Lively allowed the most earned runs in a start in 2023, with 13 earned runs against the Cubs on August 1, 2023.

Interpreted as:

most earned runs in a regular-season start by a player 2023

	NAME	ER	GS	DATE	TM		OPP	DEC	ERA	SO	CG	SHO	SV	IP	H	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Ben Lively B. Lively	13	1	8/1/2023	CIN	@	CHC	L	29.25	2	0	0	0	4.0	13	13	4	2	1	0	0	27	0
2	Braxton Garrett B. Garrett	11	1	5/3/2023	MIA	vs	ATL	L	22.85	3	0	0	0	4.1	14	11	4	2	0	0	0	28	0
3	Luis Cessa L. Cessa	11	1	4/16/2023	CIN	vs	PHI	L	33.00	0	0	0	0	3.0	14	11	1	3	1	0	0	27	1
4	J.P. France	10	1	8/24/2023	HOU	vs	BOS	L	38.57	3	0	0	0	2.1	11	10	2	2	0	0	0	20	0
5	Tony Gonsolin T. Gonsolin	10	1	8/18/2023	LAD	vs	MIA	L	27.00	2	0	0	0	3.1	8	10	5	4	0	0	0	22	0
6	Graham Ashcraft G. Ashcraft	10	1	6/3/2023	CIN	vs	MIL	L	22.50	2	0	0	0	4.0	9	10	2	4	0	0	0	25	0
7	Jack Flaherty J. Flaherty	10	1	5/4/2023	STL	vs	LAA	L	38.57	3	0	0	0	2.1	9	10	1	1	1	0	0	17	0
8	Kenta Maeda K. Maeda	10	1	4/26/2023	MIN	vs	NYY	L	30.00	2	0	0	0	3.0	11	10	0	2	0	0	0	21	0
9	Wes Parsons W. Parsons	9	1	10/1/2023	TOR	vs	TBR	L	20.25	3	0	0	0	4.0	10	9	2	3	1	0	0	26	2
10	Michael Plassmeyer M. Plassmeyer	9	1	9/30/2023	PHI	@	NYM	L	22.09	4	0	0	0	3.2	8	10	3	0	3	0	0	23	0
11	Ryan Yarbrough R. Yarbrough	9	1	9/28/2023	LAD	@	COL	L	20.25	2	0	0	0	4.0	11	9	3	1	0	0	0	24	0
12	Lucas Giolito L. Giolito	9	1	9/4/2023	CLE	vs	MIN	L	27.00	3	0	0	0	3.0	7	9	3	3	0	0	0	19	1
13	Michael Kopech M. Kopech	9	1	8/18/2023	CWS	@	COL	L	20.25	1	0	0	0	4.0	6	9	3	4	0	0	0	22	0
14	Kyle Gibson K. Gibson	9	1	8/11/2023	BAL	@	SEA	L	15.19	4	0	0	0	5.1	12	9	3	2	0	0	0	28	0
15	Lucas Giolito L. Giolito	9	1	8/2/2023	LAA	@	ATL	L	22.09	2	0	0	0	3.2	8	9	3	3	1	0	1	22	0
16	Luis Severino L. Severino	9	1	7/30/2023	NYY	@	BAL	L	24.30	5	0	0	0	3.1	10	9	1	2	0	0	0	22	1
17	Julio Teheran J. Teheran	9	1	7/29/2023	MIL	@	ATL	L	16.20	4	0	0	0	5.0	11	9	3	0	0	0	0	25	1
18	Zach Davies Z. Davies	9	1	7/18/2023	ARI	@	ATL		22.09	1	0	0	0	3.2	8	9	1	3	0	0	0	21	0
19	Chase Anderson C. Anderson	9	1	6/24/2023	COL	vs	LAA	L	30.38	1	0	0	0	2.2	10	9	3	2	1	0	0	20	0
20	Connor Seabold C. Seabold	9	1	6/17/2023	COL	@	ATL	L	27.00	1	0	0	0	3.0	9	9	4	1	0	0	0	19	0
21	Austin Gomber A. Gomber	9	1	4/19/2023	COL	vs	PIT	L	40.50	1	0	0	0	2.0	9	9	1	3	0	0	0	18	0
22	Sandy Alcantara S. Alcantara	9	1	4/10/2023	MIA	@	PHI	L	20.25	4	0	0	0	4.0	10	9	1	1	0	0	0	23	0
23	Michael Grove M. Grove	9	1	4/9/2023	LAD	@	ARI	L	24.30	4	0	0	0	3.1	12	9	0	1	0	0	0	22	0
24	Chris Bassitt C. Bassitt	9	1	4/2/2023	TOR	@	STL	L	24.30	0	0	0	0	3.1	10	9	4	0	0	0	0	19	0
25	Eric Lauer E. Lauer	8	1	9/30/2023	MIL	vs	CHC	L	18.00	2	0	0	0	4.0	9	8	3	4	0	0	0	24	0