<!–start image–><!– end image–>Without safety Will Harris on the field, things in the defensive backfield have been shaken up. With Harris tending to academic issues, sixth-year senior Josh Pinkard stands to gain the most. Pinkard returned to USC to play safety and now the team needs him to do just that. Go inside for an update plus more from Tuesday’s practice, including a rep-by-rep breakdown of the quarterback