The life of boxer Jake LaMotta, whose violence and temper that led him to the top in the ring destroyed his life outside of it.
The youngest son of an alcoholic former boxer returns home, where he's trained by his father for competition in a mixed martial arts tournament - a path that puts the fighter on a collision course with his estranged, older brother.
A determined woman works with a hardened boxing trainer to become a professional.
After a boy loses his sister's pair of shoes, he goes on a series of adventures in order to find them. When he can't, he tries a new way to "win" a new pair.
A small-time Philadelphia boxer gets a supremely rare chance to fight the world heavyweight champion in a bout in which he strives to go the distance for his self-respect.