Potter’s woes at Chelsea were not entirely of his own making, but his stock has fallen since success at Brighton and his gamble on the West Ham job is a make-or-break moment for his coaching career

There will be no more bubbles blown for Julen Lopetegui at West Ham, who fired the Spanish coach on Wednesday and announced Graham Potter as his replacement. Potter has signed a two-and-a-half-year contract and was unveiled as the club’s new manager at a press conference on Thursday.