Jens Pulver: Driven (2011) Jens Pulver: DRIVEN is an intimate feature documentary film about legendary mixed martial arts champion, Jens Pulver, who rose from a childhood laced with violence and substance abuse, to become one of the most loved and respected mixed martial arts fighters of all time. The film presents an in depth look into the fighter, and his life, past, present, and future as we follow his last march toward what could be his final bout.