Southpaw (movie, 2015)

Billy "The Great" Hope, the reigning junior middleweight boxing champion, has an impressive career, a loving wife and daughter, and a lavish lifestyle. However, when tragedy strikes, Billy hits rock bottom, losing his family, his house and his manager. He soon finds an unlikely savior in Tick Willis, a former fighter who trains the city's toughest amateur boxers. With his future on the line, Hope fights to reclaim the trust of those he loves the most.