Rafael Espinoza destroys Sergio Chirino in four rounds to retain WBO featherweight title
RAFAEL Espinoza is still the WBO featherweight champion following a dominant display against overmatched Mexican rival Sergio Chirino Sanchez. The challenger could not settle into a rhythm and was bombed out in round four. Headlining last night at the sparkling Fontainebleau in Las Vegas as part of a Top Rank promotion, Espinoza set about Chirino…