The 2013 college football season has the potential to produce one of the best quarterback classes ever. Based on ESPN’s Total QBR Metric, Sharon Katz breaks down the top five returning quarterbacks entering this season, including Texas A&M's Johnny Manziel, Oregon's Marcus Mariota and Alabama's AJ McCarron. Read the ESPN Stats & Info blog here.
7hDerek Tyson and Tom VanHaaren
2dMark Schlabach and Sharon Katz