Reggie Bush says he's not done, despite barely playing last season and being cut by the Detroit Lions the year before. "I'm not retiring," Bush told reporters in San Francisco on Sunday. "I'm still playing. No, I'm not done. And I would never -- knock on wood -- I never want to end my career like that, going out with that." - See more at:http://espn.go.com/nfl/story/_/id/14732651/reggie-bush-says-not-retiring-couple-injury-plagued-years