Right Cross

• 1950 drama with June Allyson, Ricardo Montalban, & William Powell
• Plot: Mexican-American prizefighter Johnny (Montalban) is in love with his promoter O'Malley's daughter Pat (Allyson). His best friend, sports reporter Rick (Powell), is also in love with her but knows that she loves Johnny. Lonely Rick takes up drinking and women (including Marilyn Monroe in a nightclub bit part). Johnny secretly knows that his right hand is going bad and has to work fast to make some real money.
• IMDb.com link