West Ham could submit a bid in the coming days for a 15-goal winger dubbed the Portuguese Jack Grealish, according to a recent report. The Hammers have been busy in the summer transfer window as Julen Lopetegui is clearly eager to bolster his forward ranks. Luis Guilherme is set to become Lopetegui’s first signing of the window and it now appears he’d identified another win. READ MORE: ‘World class’ attacker has cut off all communication with West Ham and rejected themWest Ham could submit bid for Jota SilvaAccording to A Bola, West Ham United could now submit a bid in the coming days for Vitó…