Saul “Canelo” Alvarez - Back in September of 2013, when he was an undefeated fighter, some people were willing to give Mexican superstar Saul Alvarez a shot at becoming the first man to defeat global superstar Floyd Mayweather Junior. Instead, Canelo was comprehensively outboxed, to the point where a few experts said it looked as though the demoralised fighter was even thinking about pulling a “no mas” and quitting.