Knockout Reilly (1927)

A Malcolm St Clair silent boxing sports romantic love triangle prison melodrama about a steel worker who saves a girl in a bar fight by knocking out the man coming on to her It turns out the man was a boxer named Killer so our steel worker becomes a boxer but is then arrested for a crime he didnt commit While in prison he continues training so that when he gets out he can fight Killer he is losing the fight but his girl tells him that Killer framed him which gives him the drive to knock his opponent out in the final round