AS Roma v Genoa - Italian Serie A - Olympic Stadium, Rome, Italy - 20/12/15. AS Roma's Kostas Manolas (L) and Genoa's Diego Capel in action. (Reuters)
Roma's Manolas, left, and Genoa's Goran Pandev vie for the ball during a Serie A soccer match at Rome's Olympic stadium, Sunday, Dec. 20, 2015. (AP)
Carpi's Simone Romagnoli, right, competes for the ball with Juventus' Juan Quadrado, during their Serie A soccer match at Modena's Braglia stadium, Italy, Sunday, Dec.20, 2015. (AP)
Fiorentina's forward from Croazia Nikola Kalinic (2ndL) jumps for the ball in front of Chievo's defender from Italy Alessandro Gamberini during the Italian Serie A football match Fiorentina vs Chievo, on December 20, 2015 (AFP)
Watford's Nathan Ake, right, competes for the ball with Liverpool's Jordan Henderson during the English Premier League soccer match between Watford and Liverpool at Vicarage Road stadium in Watford, Sunday, Dec. 20, 2015. (AP)
Liverpool's Mamadou Sakho heads the ball during the English Premier League soccer match between Watford and Liverpool at Vicarage Road stadium in Watford, Sunday, Dec. 20, 2015. (AP)
Real Madrid's shoots the ball to the goal next to Rayo Vallecano's Nacho Martinez, right, during the Spanish La Liga soccer match between Real Madrid and Rayo Vallecano at the Santiago Bernabeu stadium in Madrid, Sunday, Dec. 20, 2015. (AP)
Real Madrid's Karim Benzema, right, shoots the ball to score past Rayo Vallecano's Antonio Amaya, second left, during the Spanish La Liga soccer match between Real Madrid and Rayo Vallecano at the Santiago Bernabeu stadium in Madrid, Sunday, Dec. 20, 2015 (AP)
Real Madrid's Portuguese forward Cristiano Ronaldo scores from a penatly during the Spanish league football match Real Madrid CF vs Rayo Vallecano de Madrid at the Santiago Bernabeu stadium in Madrid on December 20, 2015 (AFP)
Roma's midfielder from Italy Alessandro Florenzi vies with Genoa's midfielder from Spain Diego Capel during the Italian Serie A football match between AS Roma and Genoa at the Olympic Stadium in Rome on December 20, 2015 (AFP)