By Daniel Bates Safe to say: Caleb Williams didn’t disappoint in his USC debut Saturday. In his first on-field introduction to Trojans fans at USC’s spring game, the Oklahoma transfer finished the day 10-12 for 98 yards and two touchdowns; tossing some beautiful throws in the process. Williams performance was the talk of college football. “Caleb Williams -> Mario Williams,” tweeted 247Sports. “Just like old times.” “Oklahoma fans watching Lincoln Riley and Caleb Williams at USC spring game,” joked Josiah Johnson. “I know it’s a spring game. And I know USC’s defense – like most in the Pac-12 – …