Miami Marlins Walks Allowed Leaders

Career totals with the Marlins and the best single seasons in club history. Records run through the 2025 season.

Ryan Dempster holds the Marlins career record with 395 walks allowed. The single-season record is 119, by Al Leiter in 1996.

All-time Marlins leaders

Career totals with the club

#	Player	With the club	BB	G
1	Ryan Dempster	1998–2002	395	124
2	Sandy Alcantara	2018–2026	383	205
3	A. J. Burnett	1999–2005	377	134
4	Dontrelle Willis	2003–2007	344	162
5	Pat Rapp	1993–1997	326	117
6	Tom Koehler	2012–2017	316	146
7	Josh Johnson	2005–2012	308	154
8	Anibal Sanchez	2006–2012	305	133
9	Ricky Nolasco	2006–2013	285	213
10	Brad Penny	2000–2014	272	139
11	Al Leiter	1996–2005	270	77
12	Jesus Sanchez	1998–2001	258	142
13	Scott Olsen	2005–2008	239	102
14	Josh Beckett	2001–2005	223	106
15	Edward Cabrera	2021–2025	216	89
16	Jose Urena	2015–2020	208	142
17	Chris Volstad	2008–2011	204	103
18	Livan Hernandez	1996–1999	199	71
19	AJ Ramos	2012–2017	173	325
20	Adam Conley	2015–2019	172	174
21	Chris Hammond	1993–1998	171	111
22	David Weathers	1993–2004	159	105
23	Trevor Rogers	2020–2024	156	80
24	Braden Looper	1999–2003	154	368
25	Renyel Pinto	2006–2010	152	244

Best seasons in club history

#	Player	Season	BB	G
1	Al Leiter	1996	119	33
2	Ryan Dempster	2001	112	34
3	Livan Hernandez	1998	104	33
4	Ryan Dempster	2000	97	33
5	Ryan Dempster	1999	93	25
6	Al Leiter	1997	91	27
6	Pat Rapp	1996	91	30
6	Jesus Sanchez	1998	91	35
9	A. J. Burnett	2002	90	31
10	Ryan Bowen	1993	87	27
10	Dontrelle Willis	2007	87	35
12	Matt Clement	2001	85	31
12	Scott Olsen	2007	85	33
14	A. J. Burnett	2001	83	27
14	Tom Koehler	2016	83	33
14	Dontrelle Willis	2006	83	34
17	Sandy Alcantara	2019	81	32
18	A. J. Burnett	2005	79	32
19	Jack Armstrong	1993	78	36
20	Tom Koehler	2015	77	32
21	Pat Rapp	1995	76	28
21	Jesus Sanchez	2000	76	32
23	Scott Olsen	2006	75	31
23	Carlos Zambrano	2012	75	35
25	Julian Tavarez	2002	74	29