Barack Obama Appears <br />at UNC-Duke Game He sat court-side to see the Tar Heels upset the Blue Devils, 88-72. The former U.S. president showed up wearing a sleek bomber jacket that featured the number "44" on it. He also witnessed Duke star <br />Zion Williamson's knee injury <br />in the first half. Barack Obama, via Twitter After the game, the school said Williamson was diagnosed with a <br />"mild knee sprain." The news is good for Zion, who is projected to be the No. 1 pick in the 2019 NBA Draft.