Al Horford reacts after a play for the Boston Celtics against the Charlotte Hornets at Spectrum Center on October 11, 2017 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)

Al Horford reacts after a play for the Boston Celtics against the Charlotte Hornets at Spectrum Center on October 11, 2017 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)