article_snippet: The soon-to-be 37-year-old dominated Croatian fighter Ivan Stupalo during Saturday night's victory .
article_snippet: The 36-year- dominated the 10-round super-middleweight contest against Croatian Ivan Stupalo, winning ever round on referee Marcus McDonnell's card, to claim the strap which makes Marcus McDonnell's the mandatory for the southern area title.
article_snippet: Stupalo, of Split, has since dropped down seven pounds to the super-middleweight division and represented a real step up in class for McKenzie, who, for the first time, was facing an opponent with a winning record.
highlights_snippet: The 36-year-old dominated the 10-round super-middleweight contest .
  