“In January 2011, Nemanja Matic was sold to Benfica as part of the deal that took David Luiz to Chelsea. Having signed for the Blues in 2009, the burly Serb failed to make the desired impact and a move away from Stamford Bridge seemed logical. Upon his arrival and after a brief loan spell with Vitesse, Benfica boss Jorge Jesus converted Matic from a playmaker to a defensive midfielder — and it has proven to be a masterstroke. In this position, Matic began to realise his potential. The Serbia international would effectively shield the Benfica defence and his performances saw him awarded the Primera Liga Player of the Year award in his final full season in Portugal.” ESPN

5 Potential Chelsea Weaknesses Premier League Rivals Can Try to Exploit
“Chelsea end the year three points clear at the top of the Premier League, on course for the second-highest points total in history. The arrivals of Diego Costa and Cesc Fabregas have given them a potency they lacked at times last season, while Nemanja Matic’s continued integration has provided a mobile base at the back of midfield. They are, clearly, an extremely good side, but are there any potential weaknesses from which their rivals can draw hope?” Bleacher Report