I didn't find anything for this season, but Luis Castillo got 9 strikeouts versus the Giants on August 23.
Interpreted as:
Luis Castillo game log of 8 or more strikeouts this season| NAME | DATE | SO | TM | OPP | DEC | GS | ERA | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | L. Castillo | 8/23/2024 | 9 |  SEA | vs |  SFG | 1 | 7.50 | 0 | 0 | 0 | 6.0 | 6 | 5 | 5 | 3 | 0 | 0 | 0 | 0 | 24 | 0 | |
| 2 | | L. Castillo | 8/11/2024 | 9 | SEA | vs |  NYM | W | 1 | 1.50 | 0 | 0 | 0 | 6.0 | 4 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 25 | 0 |
| 3 | | L. Castillo | 8/6/2024 | 9 | SEA | vs |  DET | L | 1 | 4.50 | 0 | 0 | 0 | 6.0 | 8 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 26 | 0 |
| 4 | | L. Castillo | 7/5/2024 | 8 | SEA | vs |  TOR | W | 1 | 1.35 | 0 | 0 | 0 | 6.2 | 2 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 23 | 0 |
| 5 | | L. Castillo | 5/12/2024 | 8 | SEA | vs |  OAK | W | 1 | 3.00 | 0 | 0 | 0 | 6.0 | 7 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 24 | 0 |
| 6 | | L. Castillo | 4/20/2024 | 9 | SEA | @ |  COL | W | 1 | 0.00 | 0 | 0 | 0 | 7.0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 24 | 0 |
| 7 | | L. Castillo | 4/14/2024 | 9 | SEA | vs |  CHC | L | 1 | 3.00 | 0 | 0 | 0 | 6.0 | 7 | 2 | 3 | 1 | 0 | 0 | 0 | 0 | 24 | 0 |
Some of the information used here was obtained free of charge from Retrosheet.
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