Ron Roberts' coaching tree, creativity really impressed Auburn head coach Hugh Freeze

When Hugh Freeze calls new defensive coordinator Ron Roberts "as brilliant of a defensive mind as is out there" in college football, there seems to be good reason. "If you look at all the really good ones that have come from his tree, that learned from him, that speaks as much as anything to me," Freeze said during recent assistant coach roundtable interviews. Who is Freeze referring to? Two names specifically.