5. Facing a lot of star power throughout the team's 2013 season schedule.

SportsFootballNFLJ.J. WattTom BradyPeyton ManningCalvin Johnson
The Ravens, who have the NFL's fifth-toughest schedule based on 2012 records, will play a lot of good teams in 2013, including seven that were in the playoffs a season ago. But they must also butt helmets with some of the NFL's standout individuals. Star quarterbacks Tom Brady, Peyton Manning... Bob Levey, Getty Images
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