Green Bay Packers superstar QB Aaron Rodgers has taken his fair share of hits and that's why he thinks the biggest concussion obstacle in the NFL is the players themselves “The biggest obstacle, I think would be the mindset of players," Rodgers told Bill Simmons on Any Given Wednesday "When you’re competitive the last thing you want to do is come out of a game regardless of what kind of injury it is" Rodgers has endured two reported concussions, both during the 2010 season
