Crime Patrol -
Starring Ray Walker (1936) Classic Movie
Prizefighter Bob Neal (Ray Walker) is in debt to gangster Vic Santell (Hooper Atchley) for training expenses.
Santell orders Bob to take a dive in the fourth round so Santell can recoup prior gambling losses.
Taunted by his ring opponent, Bob wins the fight.
Also available on DVD from The Nostalgia Merchant