David Sullivan promised a ‘high-profile’ appointment but having already lost out on one, the co-owner has to get it right this time Even as late as Tuesday night, David Moyes had the backing of one of West Ham’s owners. But when David Gold appeared on Sky Sports News to throw his support behind Moyes, his words only heightened the growing uncertainty. A day earlier, after all, David Sullivan had met Shakhtar Donetsk’s Paulo Fonseca at his …