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. With that in mind, which teams faced the longest odds in NFL postseason history? (All spreads come from Pro Football Reference's database.). Here we assume the point spread equals the mean outcome of the game. The Colts can win with a final margin of 1 point or more or win with, say, a.