Everton have confirmed the appointment of Duncan Ferguson as the club’s caretaker manager following the sacking of Rafa Benitez.    Ferguson oversaw training on Tuesday morning, and will take temporary charge of Everton while the club continues to look for a long-term successor to Benitez.    The Spanish manager was sacked on Sunday morning following the Toffees’ embarrasing 2-1 defeat to Norwich City on Saturday afternoon.      The Toffees confirmed in a statement that Ferguson would be in charge ‘for the club’s upcoming games’, starting with …