Boston Celtics president of basketball operations Brad Stevens revealed what happened when he called Kristaps Porzingis to tell him he had been traded.

Brad Stevens and the Celtics are "retooling" this offseason, but believes the four players he's brought in this offseason will help Boston compete next season.

Boston Celtics president Brad Stevens explained the trades that sent Kristaps Porziņģis to the Atlanta Hawks and Jrue Holiday to the Portland Trail Blazers in a straightforward manner on Tuesday. "The second apron is why those trades happened,