The Champ

Billy Flynn is an ex-champion boxer who was KO'd by booze and gambling. When the wealthy, estranged mother of his young son begins trying to lure the boy away from him, Flynn must return to the ring to provide for his child.

The Champ is a 1979 drama sport movie directed by Franco Zeffirelli, starring Jon Voight, Faye Dunaway, Ricky Schroder. It holds an IMDb rating of 6.8/10 from 9,905 votes and runs 2h 1m.