Who are the characters in a Piece Of Steak?

In "A Piece of Steak" by Jack London, the main characters are Tom King, an aging boxer struggling with the effects of time and the harsh realities of his profession, and his opponent, the younger and more vigorous fighter, who represents the relentless progression of youth and vitality. The story explores themes of pride, desperation, and the brutal nature of competition as Tom faces his own limitations in the ring. Through their interactions, London highlights the physical and emotional toll of a life spent in pursuit of glory.