Early Signing Period: Breaking down the Pac-12 Posted Nov 25, 2022 One of the final 2023 five-stars to make a decision, Isaiah Collier committed to USC on Wednesday and is the headliner of the Trojans’ three-member class that ranks comfortably inside the top 15 of the team rankings. Collier is arguably the best passer in the country and has the strength and ball handling ability to turn into a versatile offensive weapon. (Rivals.com)