Chelsea manager Enzo Maresca is relishing a reunion this weekend at Manchester United with former teammate Ruud van Nistelrooy, who is in interim charge of the Old Trafford side until Ruben Amorim takes over later this month, the Italian said on Friday. Chelsea visit United on Sunday where they have not had a Premier League win since May 2013. Maresca, a former midfielder, played with striker Van Nistelrooy during their time at Malaga in the 2011-2012 season near the end of the Dutchman's