By Jamie Spencer AC Milan forward Rafael Leao has described Chelsea’s Reece James as the ‘toughest’ opponent he has ever faced following their Champions League meeting this week. Leao was tipped for a big night at Stamford Bridge following a fantastic start to the campaign with the Rossoneri, having been a driving force behind their Serie A title last season. But Leao, who has also been heavily linked with a transfer to Chelsea, was kept under wraps by James. The Portuguese ultimately had a disappointing night, while the England defender gunning for a starting place at the World Cup was one of…