If you’re betting a +200 underdog, you will win 2x your money for every buck bet– $100 to win $200, $10 to win $20, $1 to win $2, etc. The second method to bet on a favorite or an underdog gets on the moneyline. A moneyline bet needs you to simply pick the victor of the video game, as well as makes use of American chances to calculate the payment.