Randy Johnson has fanned the most batters in a game on June 30, with 17 strikeouts against the Reds on June 30, 1999.
| NAME | SO | DATE | TM | OPP | DEC | GS | ERA | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | R. Johnson | 17 | 6/30/1999 |  ARI | @ |  CIN | L | 1 | 2.25 | 1 | 0 | 0 | 8.0 | 7 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 30 | 0 |
| 2 |  | F. Tanana | 15 | 6/30/1975 |  CAL | @ |  MIN | W | 1 | 3.00 | 1 | 0 | 0 | 9.0 | 8 | 3 | 3 | 2 | 2 | 1 | 0 | 0 | 37 | 0 |
| 3 |  | M. Scherzer | 14 | 6/30/2019 |  WSH | @ |  DET | W | 1 | 1.13 | 0 | 0 | 0 | 8.0 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 28 | 0 |
| 4 | | C. Carrasco | 14 | 6/30/2016 |  CLE | @ |  TOR | W | 1 | 1.23 | 0 | 0 | 0 | 7.1 | 3 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 26 | 1 |
| 5 |  | CC Sabathia | 13 | 6/30/2011 |  NYY | vs |  MIL | W | 1 | 0.00 | 0 | 0 | 0 | 7.2 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 30 | 0 |
| 6 | | M. Flanagan | 13 | 6/30/1978 |  BAL | vs |  BOS | 1 | 2.00 | 0 | 0 | 0 | 9.0 | 10 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 36 | 1 | |
| 7 | | C. Short | 13 | 6/30/1966 |  PHI | @ |  NYM | W | 1 | 0.00 | 1 | 1 | 0 | 9.0 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 33 | 0 |
| 8 |  | S. Koufax | 13 | 6/30/1962 |  LAD | vs | NYM | W | 1 | 0.00 | 1 | 1 | 0 | 9.0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 30 | 0 |
| 9 |  | B. Snell | 12 | 6/30/2019 |  TBR | vs |  TEX | W | 1 | 3.00 | 0 | 0 | 0 | 6.0 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 20 | 0 |
| 10 |  | T. Mahle | 12 | 6/30/2018 | CIN | vs | MIL | 1 | 1.59 | 0 | 0 | 0 | 5.2 | 6 | 1 | 3 | 1 | 3 | 0 | 0 | 1 | 27 | 0 | |
| 11 |  | J. deGrom | 12 | 6/30/2017 | NYM | vs | PHI | W | 1 | 1.29 | 0 | 0 | 0 | 7.0 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 25 | 0 |
| 12 | | M. Pineda | 12 | 6/30/2016 | NYY | vs | TEX | 1 | 1.50 | 0 | 0 | 0 | 6.0 | 2 | 1 | 1 | 1 | 3 | 0 | 0 | 0 | 23 | 1 | |
| 13 |  | C. Sale | 12 | 6/30/2015 |  CWS | @ |  STL | 1 | 1.13 | 0 | 0 | 0 | 8.0 | 6 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 31 | 0 | |
| 14 | | M. Clement | 12 | 6/30/2002 |  CHC | @ | CWS | W | 1 | 2.25 | 0 | 0 | 0 | 8.0 | 6 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 31 | 0 |
| 15 |  | R. Johnson | 12 | 6/30/1998 |  SEA | vs |  COL | L | 1 | 4.50 | 0 | 0 | 0 | 8.0 | 10 | 4 | 6 | 1 | 1 | 0 | 0 | 0 | 35 | 2 |
| 16 | | G. Perry | 12 | 6/30/1966 |  SFG | vs |  ATL | W | 1 | 1.00 | 1 | 0 | 0 | 9.0 | 7 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 35 | 1 |
| 17 | | T. Bradley | 11 | 6/30/2024 | TBR | vs | WSH | W | 1 | 0.00 | 0 | 0 | 0 | 5.2 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 22 | 0 |
| 18 |  | G. Crochet | 11 | 6/30/2024 | CWS | vs | COL | 1 | 2.57 | 0 | 0 | 0 | 7.0 | 5 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | |
| 19 |  | A. Nola | 11 | 6/30/2021 | PHI | vs |  MIA | L | 1 | 13.50 | 0 | 0 | 0 | 4.2 | 9 | 7 | 7 | 2 | 0 | 0 | 0 | 0 | 24 | 0 |
| 20 |  | S. Bieber | 11 | 6/30/2019 | CLE | @ | BAL | W | 1 | 0.00 | 0 | 0 | 0 | 8.0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 |
| 21 |  | M. Fried | 11 | 6/30/2018 | ATL | @ | STL | W | 1 | 0.00 | 0 | 0 | 0 | 6.2 | 4 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 25 | 0 |
| 22 |  | C. Sale | 11 | 6/30/2018 |  BOS | @ | NYY | W | 1 | 0.00 | 0 | 0 | 0 | 7.0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 24 | 1 |
| 23 | | H. Kuroda | 11 | 6/30/2012 | NYY | vs | CWS | W | 1 | 0.00 | 0 | 0 | 0 | 7.0 | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 25 | 1 |
| 24 | | J. Peavy | 11 | 6/30/2012 | CWS | @ | NYY | L | 1 | 4.50 | 1 | 0 | 0 | 8.0 | 8 | 4 | 4 | 3 | 0 | 1 | 0 | 0 | 32 | 0 |
| 25 |  | F. Hernandez | 11 | 6/30/2010 | SEA | @ | NYY | W | 1 | 0.00 | 1 | 1 | 0 | 9.0 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 32 | 1 |
Results may be incomplete. StatMuse has complete game-level data for strikeouts going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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