On April 14,2012, Márquez defeated Ukrainian contender Serhiy Fedchenko via unanimous decision to capture the interim WBO light welterweight title by a clear margin with scores of 119-109,118-110,118-110.
Márquez defeated Ukrainian contender Serhiy Fedchenko via unanimous decision. This was on April 14,2012. This was to capture the interim WBO light welterweight title by a clear margin with scores of 119-109.119-109 was 118-110,118-110.