A Man Among Men (1955)

Gangsters Ken and Maki are rivals in the ticket-scalping game. They make an uneasy truce, but Ken wrecks the truce by agreeing to fix a boxing match in which Maki has an interest in one of the fighters. After a terrible brawl, the two gangsters discover that they have both been played for suckers by their bosses. They join forces to turn the tables on the bosses.