Bogard (1974) aka Black Fist

To make money, a Los Angeles street-fighter goes to work for gangsters.

Directors:

 Timothy Galfas, Richard Kaye

Writers:

 Tim Kelly (screenplay), Andrew Maisner(additional sequences), 1 more credit »

Stars:

 Richard Lawson, Annazette Chase, Philip Michael Thomas - via IMDB 

https://archive.org/details/BlackFist