Charles Chaplin

The Champion is a comedy film released in 1915 by Essanay Studios, starring Charles Chaplin alongside Edna Purviance and Leo White. Essanay co-owner and star, Broncho Billy Anderson can be seen as an enthusiastic audience member in the boxing match scene.
Walking along with his bulldog, Charlie finds a "good luck" horseshoe just as he passes a training camp advertising for a boxing partner "who can take a beating." After watching others lose, Charlie puts the horseshoe in his glove and wins. The trainer prepares Charlie to fight the world champion