Hollywood Reporter on Instagram: "Emily Blunt explains how she prepared to film the darker and more emotionally raw scenes in “The Smashing Machine.” In the film, a new biographical sports drama set in the late ’90s from writer-director Benny Safdie, Dwayne Johnson plays pioneering MMA fighter Mark Kerr. Johnson and Emily Blunt, who plays Kerr’s then-girlfriend Dawn Staples, and Johnson spoke to The Hollywood Reporter’s @_tiffanytaylor about what creating the film has meant to the movie’s subjec