November 4, 2015: Boston Celtics head coach Brad Stevens during a NBA game between the Indiana Pacers and Boston Celtics at Bankers Life Fieldhouse in Indianapolis, IN. (Photo by Zach Bolinger/Icon Sportswire) (Photo by Zach Bolinger/Icon Sportswire/Corbis via Getty Images)

November 4, 2015: Boston Celtics head coach Brad Stevens during a NBA game between the Indiana Pacers and Boston Celtics at Bankers Life Fieldhouse in Indianapolis, IN. (Photo by Zach Bolinger/Icon Sportswire) (Photo by Zach Bolinger/Icon Sportswire/Corbis via Getty Images)