Gregg Popovich hires Tim Duncan as Spurs assistant coach - Sports Illustrated

Who's More Responsible for Spurs' Success: Tim Duncan or Gregg Popovich?

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The San Antonio Spurs announced that Tim Duncan will be joining the coaching staff as an assistant to Gregg Popovich. The two won five titles together over Duncan’s 19-year career. SI Now’s Robin Lundberg and Ryan Asselta assess whether the Spurs owe their success to the player or coach.