Monday’s MLB Playoff Strikeout Props - Oct. 20

Will Shane Bieber strike out more than 4.5 batters? Can George Kirby record more than 3.5 strikeouts? See their odds and more strikeout prop odds for all pitchers in MLB play on Oct. 20, in the article below.

Today's MLB Strikeout Props

Seattle Mariners at Toronto Blue Jays

• Shane Bieber (Blue Jays): Over/Under 4.5 Ks (Over -118, Under -112) | 2025 Stats: 5.3 strikeouts per game in 7 appearances
• George Kirby (Mariners): Over/Under 3.5 Ks (Over +116, Under -154) | 2025 Stats: 6 strikeouts per game in 23 appearances