In 1946, Marion Motley was one of four African American men to break pro football's color barrier when he joined the Cleveland Browns. Those men's efforts to play a physically brutal game in the face of societal racism and state-sanctioned Jim Crow laws trailblazed a path for Black athletes in the highest echelons of professional sports, including baseball's Jackie Robinson. LINES BROKEN: THE STORY OF MARION MOTLEY tells a story of adversity, personal tragedy and triumphs using rarely heard archival interviews and new interviews with historians, sports writers, NFL alumni, friends and descendants.