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 John (boxer) won by Unanimous Decision over 12 rounds. Marquez and his team disputed the decision, although all three judges scored in favour of John. In 2012, following Marquez's upset win over Pacquiao, Chris John called him out for a second bout to be staged in Singapore or Macau in a neutral ground. "I am a much better boxer than him (Marquez) and I have more speed and skill," said John. "I will fight Marquez at any weight because it is a big money fight," John, told the Straits Times. Australian promoter Angelo Hyder said he would propose a fight at lightweight,