Aston Villa striker Jhon Duran appears to be the number one striker target for West Ham United this summer. It was claimed yesterday that West Ham made a concrete move to sign Jhon Duran from Aston Villa, by making a £35 million bid for the 20-year-old – one that included a 10% sell-on clause. Julen Lopetegui is clearly desperate to strengthen his centre-forward ranks at the London Stadium this summer. Michail Antonio has done a fine job for us over the years, but the time has come for Lopetegui to make a big upgrade on the Jamaica international. Interestingly, David Moyes tried to bring Duran…