LOS ANGELES , United States (AFP) — Canelo Alvarez defended his World Boxing Council middleweight belt Saturday by knocking out Amir Khan with a vicious right hand late in the sixth round of their Las Vegas title fight. The 25-year-old hard-hitting Mexican dropped Khan with a straight right over a passive left jab that sent the Briton crumpling to the canvas with just 23 seconds left in the round. The back of Khan’s head bounced […]