The Denver Broncos probably should have beat the Ravens last year and could have had a shot at getting to the Super Bowl, but this is a new year and they are looking to make another run with Peyton Manning who is getting up in age at 37 years old.  

His time is running out and they are going all in.  They went out and go him a running back in the draft and picked up Wes Welker in free agency to bolster this offensive.  If they don't make the playoffs then these are the 5 reasons that they don't.