When USC took the field for spring practice , redshirt sophomore cornerback Marcelles Williams was the oldest player in the room because of injuries to a pair of cornerbacks.  “He went from the youngest in the room to the oldest with my two other guys being out this spring," said USC cornerbacks coach Trovon Reed. "He had to learn how to lead, and it was challenging, but he was ready. He had to do it in high school. Basically took two years off of it because he had older guys in the room, and now he's that older guy, and he's not even that old, the room's so young. They all look up to him. They all listen to him. Can't wait to see that guy this season.” Oct 28, 2023; Berkeley, California, USA; USC Trojans head coach Lincoln Riley before the game against the California Golden Bears at California Memorial Stadium. Mandatory Credit: Darren Yamashita-Imagn Images | Darren Yamashita-Imagn Images It was something Reed challenged the former four-star recruit from nearby St.…