John David Jackson (boxer) John David Jackson (boxer) John David Jackson (born May 17, 1963) is an American former professional boxer who competed from 1984 to 1999, and has since worked as a boxing trainer. He is a two-weight world champion, having held the WBO junior middleweight title twice between 1988 and 1993, and the WBA middleweight title from 1993 to 1994. Jackson turned professional in 1984 and won his first 20 fights. He won the inaugural WBO junior middleweight title in 1988 with a win over Lupe Aquino. He defended the title six times before moving up to middleweight in 1993 to take
Chris Eubank in what turned out to be Eubank's last fight. Eubank had the better of the fight early in the rematch, but the short rest between the bouts came back to haunt him as his left eye that was damaged in the first fight rapidly began to swell. The fight was stopped at the end of the ninth round, when Eubank's left eye closed completely from swelling. At the time he was ahead on the scorecards. It was the only stoppage loss of Eubank's career spanning 3 weight divisions, 30 pounds and 13 years as professional. Eubank finished his career with