June 7 (UPI) -- Roadside Attractions released the trailer for Black Ice on Wednesday. The documentary, executive produced by LeBron James and Maverick Carter and directed by Hubert Davis, is in theaters July 14.
The trailer shows NHL players Wayne Simmonds, Akim Aliu, P.K. Subban and Matt Dumba discussing their experiences with racism in the league. The documentary then goes back to explore the Colored Hockey League in Nova Scotia.