Video: Mariota says there are plenty of good QBs in the Pac 12 _lowres

Advocate staff photo by HILARY SCHEINUK -- Oregon's Marcus Mariota fields questions from the media during the Manning Passing Academy at Nicholls State on Friday, July 11, 2014.

Oregon quarterback Marcus Mariota talks about the impressive lineup of good quarterbacks in the Pac 12 this season and how he's just hoping to improve from game to game to lead the Ducks to a national championship. Click here to see the video.