Dallas Mavericks forward Harrison Barnes, right, gets close defense by Chicago Bulls forward Jimmy Butler (21) in Dallas, Saturday, Dec. 3, 2016.
Dallas Mavericks forward Harrison Barnes, right, gets close defense by Chicago Bulls forward Jimmy Butler (21) in Dallas, Saturday, Dec. 3, 2016. LM Otero AP
Dallas Mavericks forward Harrison Barnes, right, gets close defense by Chicago Bulls forward Jimmy Butler (21) in Dallas, Saturday, Dec. 3, 2016. LM Otero AP