West Ham United manager Julen Lopetegui has a really big issue according to Paul Merson. Julen Lopetegui took over from David Moyes as the new West Ham head coach officially on July 1st, but Paul Merson thinks he’s really struggling with one thing in particular. Tomorrow’s clash with Chelsea at the London Stadium is a vital one for Lopetegui, and Paul Merson thinks it will end in a 1-1 draw. The Hammers fans are hoping for some real progress this season, after Lopetegui brought nine new players to the club in the summer. However, any kind of progress will undoubtedly be slow and very painful a…