FILE - In this June 15, 2017, file photo, Seattle Seahawks' Shaquill Griffin, and Richard Sherman talk between drills at NFL football practice in Renton, Wash. Even though he's now a professional, Griffin is still in school. And in this case, Sherman is the teacher. It's part of the Seattle Seahawks examination of Griffin and how soon the rookie could step in as the cornerback opposite Sherman. (AP Photo/Elaine Thompson, File)