Start winning more NFL bets by using these NFL betting strategies from a For example, you may like the Bears to cover the 5 point spread on Monday night. sign up at of the best NFL sportsbooks listed in our Online Sportsbook section. The point spread levels the playing field, making betting on either the favorite or the underdog equally attractive. So in this example, if you bet on the Colts, they need to win by at least four points to cover the spread. Your payout is determined by the moneyline odds attached. Expected Return against Point Spread in the NFL . Sometimes a sports book will let you buy a half point off the spread for total. For example.