If West Ham United had put the required money on the table, then Jhon Duran would have been their player by now. But instead, Duran was scoring the winner for Aston Villa against the Hammers at the London Stadium on Saturday evening. Before a ball was kicked, Aston Villa knew they had a very tricky game on their hands because West Ham had a new manager in the dugout and they probably had the best summer transfer window of any team in English football. But debutant Amadou Onana powered Aston Villa ahead from a corner after just four minutes and that provided Unai Emery’s side with a real lift. …