Reports have claimed that Chelsea manager Mauricio Pochettino has been really impressed by one player in particular in recent months. According to Caught Offside, the boss has been pleased with the impact goalkeeper Djordje Petrovic has made since coming into the side this season. With the plethora of additions made by the club over the last summer transfer window, one of the names who did not stand out on paper was Petrovic. This is because it was expected by many that he was brought in to play the role of deputy to fellow signing Robert Sanchez. This was certainly the case for the majority o…