If the Titans are a 7-point favorite over the Jaguars, it'll be presented as -7 3 at your sportsbook. That means the Titans need to win by more than seven points for you to cash your: Titans -7. The minus 7 is because you take their score at the end of the game and subtract seven points from it.
In the simplest terms, a negative spread indicates the favorite, which is the side expected to win the matchup. A negative point spread really means the team has some work to do. For a negative spread bet to hit, the team has to beat its opponent by a margin greater than the point spread.