[1] Nicknamed "The Heat", Kinchen is best known for his bout against Thomas Hearns for the inaugural WBO super middleweight title.
Kinchen made his professional debut on August 8, 1980, defeating O'Daniel Marks via first-round knockout (KO) at the Dallas Convention Center.
[2] He later captured the vacant NABF super middleweight title on October 13, 1988 with a unanimous decision victory over Marvin Mack.
[3] Less than a month later he challenged Thomas Hearns for the newly-created WBO super middleweight title, replacing an injured Fulgencio Obelmejias.
[4] Kinchen knocked Hearns down in the fourth round of the fight, but ultimately lost a close majority decision.