LeBron James makes appearance at NBA Summer League in Las Vegas

<p>BOSTON, MA - MAY 15: LeBron James #23 of the Cleveland Cavaliers reacts in the second half against the Boston Celtics during Game Two of the 2018 NBA Eastern Conference Finals at TD Garden on May 15, 2018 in Boston, Massachusetts. 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 Maddie Meyer/Getty Images)</p>