Australia drop prop Scott Sio for second Test against England in Melbourne

• Australia coach Michael Cheika picks new-look front row• ‘We wanted some new combinations for Saturday’s game’Australia’s coach Michael Cheika has dropped the loosehead prop Scott Sio and overhauled his front row for the second Test against England in Melbourne on Saturday.Sio, hailed as the saviour of the Australian scrum after his performances at last year’s World Cup, was comprehensively overpowered by England’s Dan Cole and ended up in the sin-bin in last weekend’s 39-28 first Test defeat. Related: Chris Robshaw and England sense history in the making against Australia Related: England’…