FILE - In this Nov. 16, 2014, file photo, Houston Texans outside linebacker Jadeveon Clowney (90) rushes against Cleveland Browns tackle Joe Thomas in the third quarter of an NFL football game in Cleveland. Clowney was reminded this week that he injured his right knee in his NFL debut a year ago. He had arthroscopic knee surgery after that first game and returned to play three other games. But he never felt right and eventually had season-ending microfracture surgery on the same knee. (AP Photo/David Richard, File)