Play It to the Bone

Play It to the Bone is a 1999 sportscomedydrama film, starring Antonio Banderas and Woody Harrelson, written and directed by Ron Shelton.

Aging prizefighters and longtime pals Cesar Dominguez Banderas and Vince Boudreau Harrelson always regretted not getting one last shot. Out of the blue, such an opportunity comes their way except it is to fight each other.Boxing promoter Joe Domino Sizemore has a problem on his hands. The fighters scheduled to be on his undercard in Las Vegas, a preliminary to a main event featuring heavyweight Mike Tyson, suddenly become unavailable at the last minute. He needs replacements fast, so a call is made to a gym in Los Angeles to see if Dominguez or Boudreau would be available. Both are. Domino hatches the idea to have them both fight. ........

Source: Wikipedia