West Ham United head coach Julen Lopetegui managed to seal a deal for Crysencio Summerville this summer. Crysencio Summerville is an exceptional footballer, and Julen Lopetegui – alongside Tim Steidten and the board of course – deserves huge credit for bringing him to West Ham. It has been claimed that the Hammers have signed him for as little as £20 million as well – an unbelievably good deal in this day and age. He completed his move to West Ham United on Saturday, after travelling down to London to undergo his medical. The left winger possesses explosive pace and has real end product – some…