Kevin Nolan has opened up on his time at West Ham United, and highlighted a big mistake the club made. Since Nolan left, he has been speaking to numerous media outlets about his London Stadium spell. It has been all change at West Ham this summer, after David Moyes left the club, along with first-team coach Kevin Nolan. Julen Lopetegui replaced the Scot, and the Spaniard has already made seven big summer signings, whilst apparently being on the hunt for more. The way that the 57-year-old is working is light and day from how Moyes used to operate during transfer windows. The Scot would usually …