Using the Patriots-Rams Super Bowl matchup as our example, the Patriots are listed by most sportsbooks as a 2.5-point favorite. The Patriots are listed at -2.5, while the Rams are listed at +2.5. If you bet on the Patriots to cover the spread and they win by three points or more, you win. If you bet on the Rams to cover the spread and they lost by less than three points or win the game, you win.
Point Spread: The point spread remains the favorite way to wager on pro football, regardless of how many new forms of wagering come on stream. ItÂ’s called the line or spread and itÂ’s known as betting Â‘sides.Â’ The common misconception is that Las Vegas sets the spread as its best guess at the margin of victory. But really, it's a number they feel that is a perfect balance and will see an equal number of people to bet the underdog as on the favorite. A negative value like -6.5 means that team is favored by 6.5 points. So deduct 6.5 points from their total score. A positive value on the same game would be +6.5 (add 6.5 points to their final score) and would make that team an underdog of 6.5 points. The favorite must win by at least seven points to cover the spread. The underdog can lose by six points and still cover.