On June 28, 2007, Greg Oden was selected first overall in the 2007 NBA draft by the Portland Trail Blazers. He underwent microfracture surgery of the knee in September 2007, and missed the entire 2007–08 NBA season as a result. He recovered and made his NBA debut on opening night 2008. In March 2012, he was waived from the Trail Blazers after a long history of injuries. He signed with the Miami Heat in August 2013, more than three years after last appearing in an NBA game, and played with the team through the 2014 NBA Playoffs.