Coaching shakeup and roster moves

Mitch Johnson was fired, Tim Duncan returned as an assistant, Chris Paul joined the staff, and Sean Sweeney departed; the head-coach search continues. Tarris Reed Jr. signed a four-year contract after the Spurs traded up and may receive early backup-center minutes because of Jayden Quaintance's injury. Preview coverage stresses difficult early tests against Oklahoma City and Houston, but no new coaching or transaction development appeared.