Fred Davis was so good last year — and the other receivers were so shaky — that tight end went from a bit part to a leading role in USC’s offense. With Davis gone, is it time for Anthony McCoy’s close-up? McCoy will get first crack at the starting job for next season, though redshirt freshman Rhett Ellison is pushing him this spring and Blake Ayles of Orange Lutheran figures to get a long look when he arrives this fall.