Chicago Bulls forward Taj Gibson (22), left, looks to pass against Atlanta Hawks center Pero Antic (6) during the first half of an NBA basketball game in Chicago on Saturday, Jan. 4, 2014. (AP Photo/Nam Y. Huh)
Chicago Bulls forward Taj Gibson, left, dunks against Atlanta Hawks forward Paul Millsap during the first half of an NBA basketball game in Chicago on Saturday, Jan. 4, 2014. (AP Photo/Nam Y. Huh)
Atlanta Hawks center Pero Antic, right, shoots against Chicago Bulls center Joakim Noah during the first half of an NBA basketball game in Chicago on Saturday, Jan. 4, 2014. (AP Photo/Nam Y. Huh)
Chicago Bulls center Joakim Noah (13) drives against Atlanta Hawks forward Elton Brand, left, and Kyle Korver during the first half of an NBA basketball game in Chicago on Saturday, Jan. 4, 2014. (AP Photo/Nam Y. Huh)