"I felt it was an appropriate time to become more involved in the offense as we continue to develop our team for the future," Helton said in a statement released by the school. "Tee and I have had conversations about this decision and he was supportive. He has done a tremendous job here. He will stay involved with the offense as he remains the offensive coordinator, helps put together our practice and game plans and serves as my offensive eyes during games.
"I want to thank Neil for all his hard work at USC. He is an outstanding coach and a great friend.