Most strikeouts by a pitcher in Major League Baseball (MLB) postseason (career)
- Who
- Justin Verlander
- What
- 244 total number
- Where
- Not Applicable
- When
- 2023
The most strikeouts by a pitcher in a Major League Baseball (MLB) postseason career is 244, achieved by Justin Verlander during his 38 postseason appearances for the Detroit Tigers and Houston Astros (all USA) since 2005.
The next closest pitcher is Clayton Kershaw of the Los Angeles Dodgers (both USA), with 213 strikeouts since 2008.