Real Madrid midfielder Dani Ceballos has joined the growing chorus of players who have criticised the refereeing in Sunday's El Clasico with Barcelona.
Xavi says his Barcelona side 'do not feel like champions' after going twelve points clear at the top of La Liga standings following their 2-1 El Clasico win over Real Madrid on Sunday.
Barcelona defeated Real Madrid in El Clasico and move 12 points clear at the top of La Liga.
Real Madrid's star striker, Karim Benzema, is expected to play a pivotal role against Barcelona on Sunday despite being injured.
Chelsea face 14-time winners Real Madrid and Manchester City are up against Bayern Munich in the Champions League quarter-finals.
Real Madrid goalkeeper Thibaut Courtois believes the club's continued success in Europe can offset the power of the Premier League.