 He returned for Game 5, contributing 5 points and 1 rebound in 16 minutes as the Celtics beat Dallas to clinch their 18th NBA championship. Porzingis averaged 20 points and 7 rebounds in 57 games for the Celtics this season. He signed a $60 million two-year extension with Boston after they acquired him in a trade with Washington last summer. And Bronny James, the son of the NBA's all-time leading scorer LeBron James,