The first taste of El Clásico is here, and the Supercup promises to deliver intriguing battles between Barcelona and Real Madrid.
Can Lionel Messi outshine Cristiano Ronaldo? Will Tito Vilanova keep faith in Cristian Tello? How can Jose Mourinho fix his midfield problem in the wake of the 1-1 draw with Valencia?
Read on to find the six key battles for Thursday's Supercup first leg at the Camp Nou.