Cubs vs. Marlins Prediction Odds Picks - August 2 and take the field when the and meet on Friday at LoanDepot park. Bookmakers list the Cubs as -125 favorites on the moneyline, while giving the underdog Marlins +105 moneyline odds to win. Chicago is the favorite on the run line (-1.5). The over/under is 8 runs for the matchup. Check out everything you need from a betting perspective on the Cubs-Marlins game, regarding the run line, moneyline...