Since 1980, 10 pitchers are tied for allowing the most walks in a game, with 10 allowed. The first three are Jeff Suppan on July 28, 2004, Jason Jennings on September 8, 2002 and Scott Ruffcorn on June 24, 1997.

Interpreted as:

most bb by a player in a regular-season game since 1980 pitcher

	NAME	BB	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	HBP	GF	IBB	TBF	WP
1	Jeff Suppan J. Suppan	10	7/28/2004	STL	@	CIN		1	11.57	2	0	0	0	4.2	5	6	6	1	0	0	0	28	1
2	Jason Jennings J. Jennings	10	9/8/2002	COL	vs	SDP	L	1	8.44	3	0	0	0	5.1	5	5	5	2	0	0	2	31	0
3	Scott Ruffcorn S. Ruffcorn	10	6/24/1997	PHI	vs	FLA	L	1	4.15	3	0	0	0	4.1	2	2	2	0	0	0	0	23	0
4	Tim Wakefield T. Wakefield	10	4/27/1993	PIT	@	ATL	W	1	1.80	1	0	0	0	10.0	6	2	2	1	2	0	0	46	0
5	Bobby Witt B. Witt	10	8/15/1992	TEX	vs	DET	L	1	11.57	2	0	0	0	4.2	5	6	6	0	0	0	0	29	0
6	Randy Johnson R. Johnson	10	5/1/1992	SEA	@	BAL	L	1	16.62	3	0	0	0	4.1	3	8	8	0	0	0	0	26	0
7	Randy Johnson R. Johnson	10	7/17/1991	SEA	@	MIL	L	1	9.00	4	0	0	0	4.0	1	4	4	0	0	0	0	23	1
8	Bobby Witt B. Witt	10	9/1/1990	TEX	@	OAK	W	1	2.57	10	0	0	0	7.0	4	2	2	0	0	0	0	35	0
9	Charlie Hough C. Hough	10	8/27/1990	TEX	@	CAL		1	5.40	2	0	0	0	5.0	2	3	3	0	0	0	0	25	0
10	Mike Dunne M. Dunne	10	6/11/1988	PIT	vs	PHI	W	1	2.00	4	1	0	0	9.0	5	2	2	0	0	0	0	41	0
11	Tom Candiotti T. Candiotti	10	6/5/1987	CLE	@	OAK	W	1	3.86	4	0	0	0	7.0	3	3	3	1	0	0	0	34	0
12	Mike Torrez M. Torrez	10	7/21/1983	NYM	@	CIN	L	1	13.50	1	0	0	0	3.1	3	5	5	1	0	0	2	23	0
13	Matt Magill M. Magill	9	6/2/2013	LAD	@	COL	L	1	9.00	5	0	0	0	6.0	5	6	7	4	0	0	1	31	0
14	Ian Kennedy I. Kennedy	9	6/26/2010	ARI	@	TBR	L	1	6.75	7	0	0	0	5.1	2	4	4	0	1	0	0	28	0
15	Josh Beckett J. Beckett	9	8/19/2006	BOS	vs	NYY	L	1	14.29	2	0	0	0	5.2	7	9	9	1	0	0	1	32	0
16	Runelvys Hernandez R. Hernandez	9	8/5/2006	KCR	vs	MIN	L	1	15.43	2	0	0	0	4.2	4	8	9	1	1	0	0	27	0
17	Doug Davis D. Davis	9	4/23/2006	MIL	vs	CIN	L	1	5.40	4	0	0	0	5.0	3	3	3	0	0	0	0	27	0
18	Daniel Cabrera D. Cabrera	9	4/12/2006	BAL	@	TBD		1	1.80	10	0	0	0	5.0	3	1	1	0	0	0	0	26	3
19	Shawn Chacon S. Chacon	9	5/7/2005	COL	@	FLA	L	1	3.18	1	0	0	0	5.2	4	2	2	0	0	0	0	29	0
20	Paul Abbott P. Abbott	9	8/7/2004	PHI	@	LAD	L	1	6.35	2	0	0	0	5.2	5	4	4	0	1	0	1	30	0
21	Travis Blackley T. Blackley	9	7/26/2004	SEA	@	OAK	L	1	13.50	2	0	0	0	4.0	3	6	6	0	0	0	0	23	0
22	Victor Zambrano V. Zambrano	9	5/20/2004	TBD	vs	BOS		1	11.57	8	0	0	0	4.2	4	6	6	1	1	0	0	27	0
23	A.J. Burnett	9	5/12/2001	FLA	@	SDP	W	1	0.00	7	1	1	0	9.0	0	0	0	0	1	0	0	36	1
24	Dan Reichert D. Reichert	9	9/7/2000	KCR	vs	NYY		1	0.00	5	0	0	0	8.0	2	0	0	0	0	0	0	33	0
25	Everett Stull E. Stull	9	4/29/2000	MIL	vs	HOU	L	1	17.18	3	0	0	0	3.2	1	7	7	0	1	0	1	21	0