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 World Boxing Organization (WBO) junior middleweight title twice between 1988 and 1993, and the World Boxing Association (WBA) middleweight title from 1993 to 1994.
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