Among others, three of them are freshmen and 3rd in depth chart at their position.
I do think one big advantage USC receivers had vs Utah was their height. Also great hands, of course.
According to recent depth chart:
Tay Martin, Jr,, #2 at X WR 6-3
Rodrick Fisher, Fr., #3 at X WR 6-2
Kassidy Woods, R.Fr., #3 at Y WR 6-4
Dezmon Patman, Sr. ,#2 at Z WR 6-4
Brandon Gray, R.Fr., #3 at Z WR 6-5