Mexican superstar Saul "Canelo" Alvarez aims to turn the tables on knockout artist Edgar Berlanga on Saturday, saying he'll be looking for a knockout himself as he defends his three super middleweight world boxing titles in Las Vegas.On the undercard, World Boxing Association middleweight champion Erislandy Lara will defend his title against fellow American Danny Garcia — a former welterweight and light welterweight world champ — in an intriguing matchup that many would have liked to see soone