Complex sentence: Avram "Avi" Glazer is part of the Glazer family, he is the son of Malcolm Glazer who control First Allied Corporation, English football club Manchester United, and the Tampa Bay Buccaneers of the NFL.
Split into simpler sentences: Avram "Avi" Glazer is part of the Glazer family, he is the son of Malcolm Glazer. The family control First Allied Corporation, English football club Manchester United, and the Tampa Bay Buccaneers of the NFL.