<!—-><!—->If a new playcaller were inheriting an offense like the USC Trojans’, he’d look at the backfield the same way a child looks at a wall of toys — so much fun and only so much time. With no missing parts from last year’s running attack that gained over 2,500 yards and averaged 5.0 yards a try, Jeremy Bates will have a lot of hungry mouths to feed in the backfield, and the balancing act won’t be easy