Watch The Champ (1979) (1979) HD Full Movie Free on SolarMovie. Watch The Champ (1979) (1979) online free. Billy Flynn is an ex-champion boxer who was KO'd by booze and gambling. When the wealthy, estranged ...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.