Since 2010, Bryce Harper has the most walks in a game, with 6 bases on balls against the Cubs on May 8, 2016.
Interpreted as:
most walks by a player in a regular-season game since 2010| NAME | BB | DATE | TM | OPP | AB | R | H | 2B | 3B | HR | RBI | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | 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 |  | 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 |
| 3 |  | 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 |
| 4 |  | 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 |
| 5 |  | 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 |
| 6 | | 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 |
| 7 |  | 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 |
| 8 |  | 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 |
| 9 | | 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 |
| 10 | | 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 |
| 11 | | 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 |
| 12 | | 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 |
| 13 | | 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 |
| 14 | | 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 |
| 15 | | 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 |
| 16 | | 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 |
| 17 | | 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 |
| 18 | | 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 |
| 19 | | 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 |
| 20 |  | J. Wood | 4 | 6/29/2025 | WSH | @ |  LAA | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 1 | 0 | 0 | 0 | 4 | 0 |
| 21 |  | T. Ward | 4 | 6/23/2025 | LAA | vs | BOS | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 22 |  | T. Soderstrom | 4 | 6/7/2025 | ATH | vs | BAL | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 1 | 0 | 0 | 0 | 0 | 0 |
| 23 |  | O. Cruz | 4 | 5/3/2025 | PIT | vs | SDP | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 1 | 0 | 0 | 0 | 0 | 0 |
| 24 | | E. Julien | 4 | 4/25/2025 |  MIN | vs | LAA | 1 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 25 |  | M. Ozuna | 4 | 4/22/2025 |  ATL | vs | STL | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 |
Some of the information used here was obtained free of charge from Retrosheet.
Marlins 
MIL 
Astros 
Mariners 
