6 pitchers were tied for giving up the most home runs in a game in 2023, with 5 HR. The first three are Hunter Greene on August 20, 2023, Tony Gonsolin on August 18, 2023 and Joe Ryan on June 27, 2023.

Interpreted as:

most allowed hr by a player in a regular-season game 2023

	NAME	HR	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	BB	HBP	GF	IBB	TBF	WP
1	Hunter Greene H. Greene	5	8/20/2023	CIN	vs	TOR	L	1	24.00	4	0	0	0	3.0	10	8	9	3	0	0	0	24	1
2	Tony Gonsolin T. Gonsolin	5	8/18/2023	LAD	vs	MIA	L	1	27.00	2	0	0	0	3.1	8	10	10	4	0	0	0	22	0
3	Joe Ryan J. Ryan	5	6/27/2023	MIN	@	ATL	L	1	18.00	5	0	0	0	3.0	9	6	6	0	0	0	0	18	0
4	Josh Fleming J. Fleming	5	5/28/2023	TBR	vs	LAD		1	12.00	3	0	0	0	6.0	12	8	10	2	0	0	1	32	0
5	José Suarez J. Suarez	5	4/24/2023	LAA	vs	OAK		1	12.60	5	0	0	0	5.0	8	7	7	2	0	0	0	23	0
6	Michael Kopech M. Kopech	5	4/3/2023	CWS	vs	SFG	L	1	13.50	5	0	0	0	4.2	8	7	7	3	0	0	0	25	0
7	Hunter Brown H. Brown	4	9/24/2023	HOU	vs	KCR	L	1	18.00	4	0	0	0	3.0	6	6	6	1	0	0	0	16	0
8	Bryan Woo B. Woo	4	9/24/2023	SEA	@	TEX	L	1	16.20	6	0	0	0	3.1	5	6	6	2	0	0	0	17	0
9	Adam Wainwright A. Wainwright	4	9/7/2023	STL	@	ATL	L	1	9.53	4	0	0	0	5.2	8	6	6	3	0	0	0	28	0
10	Trevor Williams T. Williams	4	9/2/2023	WSH	vs	MIA	L	1	18.00	3	0	0	0	4.0	12	8	9	0	0	0	0	24	0
11	Kyle Harrison K. Harrison	4	9/2/2023	SFG	@	SDP	L	1	9.53	5	0	0	0	5.2	6	6	6	2	0	0	0	24	0
12	Justin Verlander J. Verlander	4	9/1/2023	HOU	vs	NYY	L	1	9.00	3	0	0	0	6.0	8	6	6	1	0	0	0	26	0
13	Zac Gallen Z. Gallen	4	8/28/2023	ARI	@	LAD	L	1	10.13	3	0	0	0	5.1	9	6	6	3	0	0	0	27	0
14	Jordan Lyles J. Lyles	4	8/15/2023	KCR	vs	SEA		1	10.80	3	0	0	0	5.0	9	6	7	1	0	0	0	24	1
15	Yonny Chirinos Y. Chirinos	4	8/8/2023	ATL	@	PIT		1	10.80	5	0	0	0	5.0	7	6	6	2	0	0	0	24	0
16	Noah Syndergaard N. Syndergaard	4	8/5/2023	CLE	vs	CWS	L	1	7.50	3	0	0	0	6.0	9	5	5	0	1	0	0	27	0
17	Joe Ryan J. Ryan	4	8/2/2023	MIN	@	STL	L	1	15.75	4	0	0	0	4.0	9	7	7	1	1	0	0	23	0
18	Ben Lively B. Lively	4	8/1/2023	CIN	@	CHC	L	1	29.25	2	0	0	0	4.0	13	13	13	2	1	0	0	27	0
19	Jhony Brito J. Brito	4	7/31/2023	NYY	vs	TBR	L	1	11.25	4	0	0	0	4.0	6	5	5	0	0	0	0	17	0
20	Bryce Miller B. Miller	4	7/26/2023	SEA	@	MIN	W	1	9.53	7	0	0	0	5.2	8	6	6	0	0	0	0	25	0
21	Yu Darvish Y. Darvish	4	7/24/2023	SDP	vs	PIT	L	1	14.54	3	0	0	0	4.1	8	7	7	3	0	0	0	23	0
22	Kevin Gausman K. Gausman	4	7/22/2023	TOR	@	SEA		1	6.00	9	0	0	0	6.0	5	4	4	0	0	0	0	23	0
23	Max Scherzer M. Scherzer	4	7/22/2023	NYM	@	BOS	L	1	7.50	7	0	0	0	6.0	6	5	5	2	0	0	0	26	0
24	Lance Lynn L. Lynn	4	7/21/2023	CWS	@	MIN	L	1	8.10	6	0	0	0	6.2	8	6	9	3	0	0	0	30	0
25	Shohei Ohtani S. Ohtani	4	7/21/2023	LAA	vs	PIT	W	1	7.11	9	0	0	0	6.1	6	5	5	1	1	0	0	27	0