A boxer was knocked out within the first five seconds of a bout on Friday, but many fans have red flags up. Edwin Castillo, 23, lost his fight to Viktor Jurk, 26, in a heavyweight fight on the ...

The first and only punch of a boxing match delivered a knockout and plenty of controversy. Viktor Jurk, 26, landed a vicious left-hook knockout of Edwin Castillo, 23, to open their heavyweight fight ...

If you blinked, you missed it. Viktor Jurk's recent knockout quickly went viral in boxing circles because he stopped his opponent with a single punch – literall ...