Boxing: Mexico's Valdez upsets Berchelt with stunning 10th round KO to claim WBC title

February 22, 2021 12:35 PMLOS ANGELES (AFP) - Mexico's Oscar Valdez dethroned Miguel Berchelt on Saturday (Feb 20), knocking him out with one second left on the 10th round in a stunning upset, to claim the World Boxing Council junior lightweight title in Las Vegas.