Golden State Warriors' Draymond Green, right, shoots over Boston Celtics' Al Horford (42) during the first half of an NBA basketball game Wednesday, March 8, 2017, in Oakland, Calif. (AP Photo/Ben Margot)
Golden State Warriors' Klay Thompson, right, shoots over Boston Celtics' Al Horford, left, and Avery Bradley (0) during the first half of an NBA basketball game Wednesday, March 8, 2017, in Oakland, Calif. (AP Photo/Ben Margot)
Sacramento Kings forward Matt Barnes, left, battles Boston Celtics center Al Horford, center, and Boston Celtics forward Amir Johnson for the ball during the first half of an NBA basketball game, Wednesday, Feb. 8, 2017, in Sacramento, Calif. (AP Photo/Rich Pedroncelli)
Sacramento Kings forward Matt Barnes, right, guards Boston Celtics center Al Horford during the first half of an NBA basketball game, Wednesday, Feb. 8, 2017, in Sacramento, Calif. (AP Photo/Rich Pedroncelli)
Memphis Grizzlies center Marc Gasol (33) shoots against Boston Celtics center Al Horford in the first half of an NBA basketball game, Tuesday, Dec. 20, 2016, in Memphis, Tenn. (AP Photo/Brandon Dill)
Memphis Grizzlies forward James Ennis (8) shoots between Boston Celtics guard Isaiah Thomas (4), Celtics center Al Horford, second from right, and Grizzlies forward JaMychal Green (0) in the first half of an NBA basketball game, Tuesday, Dec. 20, 2016, in Memphis, Tenn. (AP Photo/Brandon Dill)
Atlanta Hawks guard Kyle Korver, left, and center Al Horford, right, strip the ball from Orlando Magic guard Victor Oladipo, center, during the first half of an NBA basketball game, Sunday, Feb. 7, 2016, in Orlando, Fla. (AP Photo/John Raoux)
Washington Wizards guard Bradley Beal (3) tries to shoot between Atlanta Hawks center Al Horford (15), from the Dominican Republic, and guard Kyle Korver (26) in the first half of Game 3 of the second round of the NBA basketball playoffs Saturday, May 9, 2015, in Washington. (AP Photo/Alex Brandon)
West Team’s Stephen Curry, left, of the Golden State Warriors, against East Team’s Al Horford, of the Atlanta Hawks, during the first half of the NBA All-Star basketball game, Sunday, Feb. 15, 2015, in New York. (AP Photo/Kathy Willens)