49 pitchers are tied for pegging the most batters in a game, with 4 batters hit. The first three are Joe Musgrove on July 9, 2023, Zac Gallen on June 15, 2022 and Kyle Wright on April 16, 2021.

Interpreted as:

most hbp in a regular-season game by a pitcher

	NAME	HBP	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	GF	IBB	TBF	WP
1	Joe Musgrove J. Musgrove	4	7/9/2023	SDP	vs	NYM	W	1	0.00	7	0	0	0	6.0	3	0	0	0	0	0	0	22	0
2	Zac Gallen Z. Gallen	4	6/15/2022	ARI	vs	CIN		1	2.57	5	0	0	0	7.0	2	2	2	0	0	0	0	26	0
3	Kyle Wright K. Wright	4	4/16/2021	ATL	@	CHC		1	4.15	5	0	0	0	4.1	3	2	2	1	2	0	0	22	0
4	Alec Mills A. Mills	4	7/16/2019	CHC	vs	CIN		1	4.50	6	0	0	0	6.0	5	3	3	1	1	0	0	26	0
5	Charlie Morton C. Morton	4	6/9/2018	HOU	@	TEX		1	2.45	4	0	0	0	3.2	1	1	2	0	6	0	0	23	0
6	Jhoulys Chacin J. Chacin	4	8/23/2017	SDP	@	STL	L	1	7.71	3	0	0	0	4.2	6	4	5	0	3	0	0	27	1
7	John Lackey J. Lackey	4	7/25/2017	CHC	vs	CWS	W	1	3.60	5	0	0	0	5.0	5	2	2	0	2	0	0	26	1
8	Josh A. Smith J. A. Smith	4	7/4/2015	CIN	vs	MIL	L	1	10.38	2	0	0	0	4.1	5	5	5	1	3	0	1	23	0
9	Livan Hernandez L. Hernandez	4	7/20/2005	WSH	vs	COL	L	1	3.86	5	0	0	0	7.0	8	3	3	1	2	0	0	32	0
10	Orlando Hernandez O. Hernandez	4	6/3/2005	CWS	vs	CLE	W	1	6.00	3	0	0	0	6.0	6	4	4	1	1	0	0	27	0
11	Victor Zambrano V. Zambrano	4	7/19/2003	TBD	vs	TEX	L	1	7.20	5	0	0	0	5.0	7	4	4	0	3	0	1	28	0
12	Scott Schoeneweis S. Schoeneweis	4	6/7/2001	ANA	vs	OAK	W	1	4.91	2	0	0	0	7.1	6	4	4	1	0	0	0	31	0
13	Pedro Astacio P. Astacio	4	4/22/2001	COL	@	ARI	W	1	1.13	8	0	0	0	8.0	2	1	1	0	1	0	0	31	0
14	James Baldwin J. Baldwin	4	8/17/2000	CWS	@	BAL	L	1	8.44	2	0	0	0	5.1	8	5	5	1	2	0	0	28	0
15	Orel Hershiser O. Hershiser	4	4/19/2000	LAD	vs	HOU	L	1	47.25	0	0	0	0	1.1	4	7	7	0	2	0	0	14	1
16	Omar Olivares O. Olivares	4	6/13/1999	ANA	vs	ARI		1	1.08	5	0	0	0	8.1	6	1	1	0	1	0	0	32	1
17	Steve Sparks S. Sparks	4	5/22/1999	ANA	@	TBD		1	7.20	1	0	0	0	5.0	5	4	4	0	6	0	0	29	0
18	Tom Candiotti T. Candiotti	4	9/13/1997	LAD	@	HOU	L	1	3.60	6	0	0	0	5.0	4	2	4	0	1	0	0	24	0
19	Darryl Kile D. Kile	4	6/2/1996	HOU	@	STL	L	1	2.35	8	0	0	0	7.2	7	2	2	0	3	0	2	35	0
20	Bert Blyleven B. Blyleven	4	4/22/1988	MIN	vs	CLE	L	1	13.50	5	0	0	0	4.2	9	7	7	1	0	0	0	27	0
21	Tommy John T. John	4	6/15/1968	CWS	vs	DET	W	1	1.59	2	0	0	0	5.2	5	1	1	1	1	0	0	26	0
22	Ken McBride K. McBride	4	4/23/1964	LAA	vs	CLE	L	1	3.24	5	0	0	0	8.1	6	3	3	0	2	0	0	35	0
23	Mike Fornieles M. Fornieles	4	6/20/1962	BOS	@	CLE	L	1	3.00	2	0	0	0	3.0	3	1	2	1	1	0	0	18	1
24	Frank Lary F. Lary	4	7/21/1960	DET	vs	WSH	W	1	5.14	3	0	0	0	7.0	7	4	5	3	0	0	0	33	0
25	Moe Drabowsky M. Drabowsky	4	6/2/1957	CHC	@	CIN	L	1	14.73	1	0	0	0	3.2	6	6	6	2	4	0	1	25	0