Aston Villa’s loss could be Everton’s gain as West Ham consider a bid for a star according to a top Sky Sports reporter. With PSR rules restricting how much clubs like West Ham, Aston Villa and Everton can spend to bridge the gap on the so-called elite, sales are more key than ever. Both Villa and Everton have been making sales and signings so far. Indeed Aston Villa are said to be on the verge of signing former Hammers target Amadou Onana from the Toffees. After spending £60m on Brazilian teenager Luis Guilherme and defender Max Kilman, there are question marks over what remains of West Ham’s…