So, you could gamble on the Falcons losing by 3 points or less (or winning), or the Bears winning by more than 3 points. The Falcons might be +3, while the Bears might be -3.
The underdog will have the plus sign (+) next to their name.
When you place a spread bet, it means that you’re gambling for a specific team to win the game and score a minimum number of points (called “covering” the spread). Place a spread bet to gamble on the configuration of a game’s final score.