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 Jr. arena. The fight was not officially signed as Warren was waiting for Eubank to sign the contract. Warren gave Eubank until 5pm on 25 September. On 3 October the fight was confirmed, but would take place on 29 November instead and would also be a WBO final eliminator. Eubank fought at the Echo Arena on 25 October in a scheduled 8 round fight. Eubank knocked out German boxer Omar Siala in round 2 after a right uppercut. Eubank lost his unbeaten record when he lost a split decision to Saunders. The bout went the distance, with the experienced Saunders controlling