The manager was delighted with his side’s thrashing of West Ham in the FA Cup on Friday and hopes his side take confidence from the display Pep Guardiola says Manchester City’s players and fans must believe they can beat any team after they thrashed West Ham 5-0 on Friday. City have struggled for consistency since the arrival of Guardiola, but they were in fine form at London Stadium as they booked their ticket for the fourth round of the FA Cup.