LAS VEGAS, NEVADA - JULY 11: General manager and President of Basketball Operations Danny Ainge of the Boston Celtics attends a game between the Celtics and the Memphis Grizzlies during the 2019 NBA Summer League at the Thomas & Mack Center on July 11, 2019 in Las Vegas, Nevada. The Celtics defeated the Grizzlies 113-87. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Ethan Miller/Getty Images)