Gregg Popovich coached many great players in his many seasons at the helm of the San Antonio Spurs. That certainly includes Kawhi Leonard. The multi-time All-Star entered the NBA as a raw, defensively-talented wing and transformed into one of the best two-way players in modern NBA history under Popovich's tutelage.

Former NBA guard Danny Green praised his former San Antonio Spurs head coach Gregg Popovich following the announcement he will leave the sidelines and become the team's president of basketball operations, calling him the "GOAT" and thanking the five-time NBA champion for inspiring him and others.

The San Antonio Spurs announced Friday that Gregg Popovich would step down as head coach and transition to president of basketball operations.