As Scotland face Brazil in the Miami heat, Jonathan Sutherland is joined by Tony Docherty and Scott Allan to ask the big questions ahead of what could be a defining World Cup night.

How do Scotland avoid a repeat of the Hungary game at the Euros and instead seize a historic opportunity? Can Steve Clarke’s side cope with extreme conditions and keep their composure against Brazil’s attacking power?

What is the right tactical setup - and who should start in midfield to give Scotland control?

Plus can anyone stop Lionel Messi and who will win the Golden Boot? All the key questions ahead of a crucial clash.