By David Anderson Roberto De Zerbi will have an audition for the Liverpool job on Sunday – but in truth he has already passed it. Liverpool have done their homework on who should succeed Jurgen Klopp and had identified De Zerbi long before frontrunner Xabi Alonso ruled himself out to improve the Italian’s chances. De Zerbi is vying with Ruben Amorim for the right to follow Klopp at Anfield and he has won one title in his native Portugal with Sporting Lisbon and is on track for a second this season. Liverpool fans will naturally be disappointed Alonso will not be returning this summer, but the …