The Contender (1980)

• 1980 television mini-series
• Plot: After his father's suicide, Johnny Captor drops out of college to pursue a career in boxing to support his mother and younger brother. This does not sit well with his girlfriend Jill, a teacher, who would prefer that Johnny stay in school and earn a degree. Johnny thinks he has a shot at the world championship, thanks to the support of his trainer and the mobster who owns his contract.
• IMDb link