Two straight World Cup semi-finals have set the bar high, and Croatia arrive again leaning on the steel and savvy of a seasoned generation. Zlatko Dalic looks set to ditch the wing-back tinkering and return to a familiar back four, trusting his experienced core to do what it has always done. The big question is simple: do those tired but trophy-hardened legs have one last summer in them, especially with the heat to contend with?