Complex sentence: Bentt is a one-time heavyweight champion, having held the World Boxing Organization championship from October 1993 until March 1994.Co-starred as Sonny Liston in Michael Mann's ALI.
Split into simpler sentences: Bentt is a one-time heavyweight champion, having held the World Boxing Organization championship from October 1993 until March 1994. He co-starred as Sonny Liston in Michael Mann's ALI.