Check out the trailer for Roberto Duran biopic Hands of Stone

Check out an exclusive trailer for Roberto Duran biopic Hands of Stone.

Robert De Niro will be returning to the squared circle soon in the upcoming film Hands of Stone. a biopic of former welterweight boxing champion Roberto Duran.

The Academy Award-winning actor will be portraying legendary trainer Ray Arcel, while the lead role of Duran will be handled by Edgar Ramirez.

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Sports Illustrated has an exclusive look at the new trailer for the film, which covers the Panamanian boxer’s 34-year career. including his controversial fights with Sugar Ray Leonard (played in the film by Usher Raymond), the second of which saw Duran return to his corner saying the famous words “no mas.”

The movie is scheduled to debut in theaters on Aug. 26.