Frank Lampard has told Julen Lopetegui that a West Ham scapegoat can be ‘unplayable’ as he shows his true worth. When unveiling 18-year-old Luis Guilherme as the club’s first signing of the post David Moyes era, technical director Tim Steidten made it clear West Ham will be rebuilt around young, exciting players. Versatility to play in different positions was also highlighted by Steidten as a key factor in his recruitment this summer. Two players expected to suffer as a result of Julen Lopetegui’s West Ham rebuild are James Ward-Prowse and Tomas Soucek. So often a scapegoat during difficult ti…