West Ham United are set to lose a £20m player this summer, according to a recent report. As the season draws to a close, the transfer rumours begin to hot up and the Hammers are expected to have a busy window. David Moyes is set to depart with Julen Lopetegui lined up as his successor and it could be a summer of change. With that said, one West Ham player is set to leave. READ MORE: What Man City have told West Ham star Lucas Paqueta’s agents ahead of the summer transfer windowLyon set to active Said Benrahma release clause Said Benrahma joined Ligue 1 outfit Lyon during the winter transfer wi…