During the 2011 -- 12 off - season , Harden underwent shoulder surgery .
During the 2011 -- 12 off - season , Harden spent the entire 2012 season on free agency without signing for a team or playing a single game .
During the 2011 -- 12 off - season , Harden underwent shoulder surgery and spent the entire 2012 season on free agency without signing for a team or playing a single game .