To say this game is important to both the Jacksonville Jaguars and the Philadelphia Eagles is an understatement. 

Two weeks remain until the start of the regular season and still many questions are left unanswered about both teams' offenses and defenses. A new head coach for both teams, the return of two of the better runners in the league and defenses that need to step up and show they can play in new schemes.

And let's not forget that the quarterback's who are behind center on Saturday may have experience as starters, but they also may have short leashes and backups could be key to victory.

The Eagles and the Jaguars will also have some tough decisions to make after the game, looking at players who may be released and others who may get a new lease on life. Such is the life in the NFL. Here are four keys to the game at EverBank Field in Jacksonville.