Knockout -- Film Description:
"Dan Barnes is a former heavyweight boxer who hangs up his gloves to escape his violent lifestyle. Dan's life is quickly turned upside down when the resident boxing champion makes his presence felt by dominating all opponents who stand in his way. In order to put the title holder in his place, Dan prepares an unseasoned newcomer for the biggest challenge of his life."
-- WorldCat

Source:
"WorldCat." OCLC Online Computer Library Center. http://www.worldcat.org/.