Everton’s summer transfer window has certainly been a lively one but there is still time for some considerable changes to be made on Merseyside. So far, Everton have already seen four new faces land at Goodison Park this summer with Sean Dyche surely pleased with the business done. However, it has to be remembered the Toffees have lost a big asset in Amadou Onana departing for Aston Villa last month. But there may be some concerns that more business is needed given the Blues have endured a fairly dismal start to their opening three friendlies. And there is one player who Everton are still conc…