"He [Caleb Williams] was just talking to me, telling me I always got jokes, I'm always joaning on him. I tell him that's not going to stop," McCain said.
2023 August 25, Michael Lee, quoting Mark McCain, “USC’s Caleb Williams is a star for the NIL era”, in The Washington Post, Washington, D.C.: The Washington Post Company, archived from the original on 25 August 2023