Drew Rasmussen holds the top implied probability at 56.9% in the MLB postseason strikeout leader market because he has already posted 23 strikeouts across 21 innings in three starts for the Rays, including a 6-strikeout outing in the ALCS clincher. With Tampa Bay advancing to face Milwaukee in the World Series, Rasmussen's workload and efficiency give him a measurable edge over eliminated pitchers like Gavin Williams, whose 33 strikeouts came earlier. Numerous other arms sit near 50% because both World Series rosters feature multiple starters and relievers who can still add significant volume, keeping the race fluid until the series concludes. Lower-probability names reflect limited remaining innings or lower strikeout rates.