Al Hortford dribbles the ball for the Boston Celtics against the Indiana Pacers at Bankers Life Fieldhouse on December 18, 2017 in Indianapolis, Indiana. (Photo by Andy Lyons/Getty Images)

Al Hortford dribbles the ball for the Boston Celtics against the Indiana Pacers at Bankers Life Fieldhouse on December 18, 2017 in Indianapolis, Indiana. (Photo by Andy Lyons/Getty Images)