Warm welcome: Arjen Robben feels the full force of a Carlos Puyol challenge in the first half...
... and gets a booking for his troubles
Striker's challenge: Robin van Persie keeps Joan Capdevila on his toes
Playing dirty: Mark van Bommel introduces himself to Andres Iniesta
Karate kid: Nigel de Jong takes no prisoners as he goes feet first for a ball with Xabi Alonso...