The New Champion (1925)
When prizefighter "Knockout" Riley (Frank Hagney) injures his hand in a car accident, Bob (William Fairbanks), a blacksmith's assistant enters a championship bout in his place...and wins the fight and the damsel.
When prizefighter "Knockout" Riley (Frank Hagney) injures his hand in a car accident, Bob (William Fairbanks), a blacksmith's assistant enters a championship bout in his place...and wins the fight and the damsel.