4 players are tied for the most bases on balls in a game, with 6 bases on balls. The first three are Bryce Harper on May 8, 2016, Jeff Bagwell on August 20, 1999 and Andre Thornton on May 2, 1984.

Interpreted as:

most bb by a player in a single regular-season game

	NAME	BB	DATE	TM		OPP	AB	R	H	2B	3B	HR	RBI	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP
1	Bryce Harper B. Harper	6	5/8/2016	WSH	@	CHC	0	1	0	0	0	0	0	1	0	0	0	7	0	0	0	0	3	0
2	Jeff Bagwell J. Bagwell	6	8/20/1999	HOU	@	FLA	2	1	0	0	0	0	0	0	0	1	0	8	0	0	0	0	2	0
3	Andre Thornton A. Thornton	6	5/2/1984	CLE	@	BAL	2	1	0	0	0	0	0	0	0	0	0	8	0	0	0	0	2	0
4	Jimmie Foxx J. Foxx	6	6/16/1938	BSA	@	SLA	0	2	0	0	0	0	0	0	0	0	0	6	0	0	0
5	Freddie Freeman F. Freeman	5	6/17/2024	LAD	@	COL	1	2	1	0	0	0	0	0	0	0	0	6	1	0	0	0	1	0
6	Matt Chapman M. Chapman	5	8/12/2021	OAK	@	CLE	1	3	0	0	0	0	0	0	1	0	0	6	0	0	0	0	0	0
7	Max Muncy M. Muncy	5	4/25/2021	LAD	vs	SDP	1	2	0	0	0	0	0	0	1	0	0	6	0	0	0	0	1	0
8	Christian Yelich C. Yelich	5	9/26/2018	MIL	@	STL	0	2	0	0	0	0	0	0	0	0	0	5	0	0	0	0	0	0
9	Bryce Harper B. Harper	5	9/18/2018	WSH	@	MIA	0	0	0	0	0	0	0	0	0	0	0	5	0	0	0	0	0	0
10	Rougned Odor R. Odor	5	8/2/2018	TEX	vs	BAL	1	3	1	0	0	1	3	0	0	0	0	6	4	1	0	0	0	0
11	Joey Votto J. Votto	5	8/27/2017	CIN	vs	PIT	0	0	0	0	0	0	0	0	0	0	0	5	0	0	0	0	0	0
12	Matt Holliday M. Holliday	5	4/9/2017	NYY	@	BAL	0	0	0	0	0	0	0	0	0	0	0	5	0	0	0	0	0	0
13	Steven Souza Jr. S. Souza Jr.	5	6/15/2015	TBR	vs	WSH	0	0	0	0	0	0	0	0	0	0	0	5	0	0	0	0	0	0
14	Melky Cabrera M. Cabrera	5	8/10/2014	TOR	vs	DET	5	0	3	0	0	0	1	0	0	0	0	10	3	0	0	0	2	0
15	Matt Joyce M. Joyce	5	4/25/2014	TBR	@	CWS	0	1	0	0	0	0	1	0	0	0	1	5	0	0	0	0	0	0
16	Joey Votto J. Votto	5	9/23/2013	CIN	vs	NYM	0	0	0	0	0	0	1	0	0	0	0	5	0	0	0	0	1	0
17	Tony Campana T. Campana	5	8/24/2013	ARI	@	PHI	5	1	1	0	0	0	0	0	1	0	0	10	1	0	0	0	0	0
18	Cliff Pennington C. Pennington	5	8/24/2013	ARI	@	PHI	5	1	1	0	0	0	0	0	0	0	0	10	1	0	0	0	1	1
19	Mike Baxter M. Baxter	5	8/4/2012	NYM	@	SDP	0	1	0	0	0	0	0	0	0	0	0	5	0	0	0	0	0	0
20	Alex Gordon A. Gordon	5	6/17/2012	KCR	@	STL	3	1	0	0	0	0	0	0	0	0	0	8	0	0	0	0	0	0
21	Colby Rasmus C. Rasmus	5	5/22/2011	STL	@	KCR	1	1	0	0	0	0	1	0	0	0	0	6	0	0	0	0	0	0
22	Kevin Youkilis K. Youkilis	5	5/15/2010	BOS	@	DET	1	1	0	0	0	0	0	0	0	0	0	6	0	0	0	0	0	0
23	Mark Teixeira M. Teixeira	5	4/25/2009	NYY	@	BOS	1	3	0	0	0	0	0	0	1	0	0	6	0	0	0	0	1	0
24	Alex Gordon A. Gordon	5	7/30/2008	KCR	@	OAK	0	0	0	0	0	0	0	0	0	0	0	5	0	0	0	0	2	0
25	Milton Bradley M. Bradley	5	4/16/2008	TEX	@	TOR	3	1	2	1	0	0	0	0	1	0	0	8	3	1	0	0	2	0