Xavi moans: Real Madrid's Ronaldo should've been booked!
"The goal is an isolated play from a corner that was not a corner. The referee did not see this, but following a corner that was undeserved, the goal came.
"In addition, there was a lack of a yellow card for Cristiano which normally would happen, but ... ".
Ronaldo blocked Barca from taking a quick free-kick, which upset Barca players.