EXCLUSIVE : NFL star Cameron ‘Cam’ Heyward is the subject of a new documentary feature from Deon Taylor and Roxanne Avent Taylor’s Hidden Empire Sports Collective. The untitled feature is being directed by Taylor ( Black and Blue , The Intruder ) and produced by Roxanne Avent Taylor, Ephraim Salaam, Deon Taylor as well as Cam Heyward via his newly launched production company, Iron 97 Productions. Pittsburgh Steelers star defensive tackle Heyward is a seven-time NFL Pro Bowler, four-time First-Team All-Pro, and recipient of the Walter Payton NFL Man of the Year Award. The movie explores the deep relationship Cam had with his late father, NFL legend Craig ‘Ironhead’ Heyward, who died at age 39 of brain cancer when Cam was just a high school sophomore. Known for his brute strength and punishing style, Craig “Ironhead” Heyward made a name for himself as one of the best NFL running backs during the 90s.…