FILE - In this March 27, 2013 file photo, Southern California quarterback Matt Barkley passes during NFL Pro Day at the University of Southern California, in Los Angeles. When the NFL Draft rolls around, the second-guessing officially begins as some of college football's highest-profile quarterbacks find out if an extra year in school cost them millions of dollars. (AP Photo/Mark J. Terrill, File)

Associated Press
FILE - In this March 27, 2013 file photo, Southern California quarterback Matt Barkley passes during NFL Pro Day at the University of Southern California, in Los Angeles. When the NFL Draft rolls around, the second-guessing officially begins as some of college football's highest-profile quarterbacks find out if an extra year in school cost them millions of dollars. (AP Photo/Mark J. Terrill, File)
FILE - In this March 27, 2013 file photo, Southern California quarterback Matt Barkley passes during NFL Pro Day at the University of Southern California, in Los Angeles. When the NFL Draft rolls around, the second-guessing officially begins as some of college football's highest-profile quarterbacks find out if an extra year in school cost them millions of dollars. (AP Photo/Mark J. Terrill, File)