Watch the Teaser for Netflix's Sylvester Stallone Documentary 'Sly'

Netflix has dropped off the teaser for Sly, the upcoming documentary focusing on the life veteran actor Sylvester Stallone.Directed by Thom Zinny of Springsteen on Broadway fame, Sly promises to be a "retrospective documentary" that "offers an intimate look at the Oscar-nominated actor-writer-director-producer, paralleling his inspirational underdog-story with the indelible characters he has brought to life." The one-minute teaser sees Stallone admit that he has regrets, as well as touch on grea...