Read the Boxscore for Cubs vs Mariners – Friday August 21st, 2026

Chicago Cubs logo

Chicago Cubs

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Seattle Mariners logo

Seattle Mariners

-110O/U: 8
(-110/-110)
-110

Chicago Cubs Insights

  • Ian Happ – Over/Under 0.5 Hits (-135/+105)
    Ian Happ has primarily hit in the top-half of the lineup this year (87% of the time), but he is projected to bat 7th on the lineup card in today’s game.
    Explain: The lower in the order a player bats, the fewer plate appearances he will get and the fewer opportunities he will get to hit the Over for every market. A player who hits lower in the order than he normally does may provide extra value opportunity since the market may be based on him hitting higher.
  • Chicago Cubs – 2H Moneyline
    The Chicago Cubs bullpen projects as the 6th-worst in Major League Baseball, via the leading projection system (THE BAT).
    Explain: Most bettors only consider the starting pitcher, but a weak bullpen sneakily creates an easier matchup for the opposing offense and boosts a game’s runs.

Seattle Mariners Insights

  • Cal Raleigh – Over/Under 1.5 Total Bases (+160/-205)
    Cal Raleigh pulls a lot of his flyballs (43.4% — 100th percentile) and will have a big advantage hitting them towards MLB’s 9th-shallowest LF fences today.
    Explain: This player’s skill set matches up particularly well with the park he’s in today, which may lead to better-than-usual performance.

Betting Trends

  • Seattle Mariners – Over/Under 2.5 1st Five Innings (F5) Team Total (+125/-160)
    The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 6 of their last 8 games at home (+4.40 Units / 48% ROI)
  • Chicago Cubs – Run Line -1.0 (+125)
    The Chicago Cubs have hit the Run Line in 13 of their last 18 away games (+9.55 Units / 45% ROI)
  • Pete Crow-Armstrong – Over/Under 0.5 Home Runs (+325/-480)
    Pete Crow-Armstrong has hit the Home Runs Over in 3 of his last 4 games (+9.00 Units / 225% ROI)