He also informs an eager throng of media that his knee is improving and that he 's recently begun to jump again .
Derrick Rose breaks down at a press conference for the launch of his latest shoe .
Derrick Rose also informs an eager throng of media that Derrick Rose 's knee is improving and that he 's recently begun to jump again .
Derrick Rose breaks down at a press conference for the launch of his latest shoe .