Liverpool's Raheem Sterling (C) is challenged by Arsenal's Santi Cazorla (R) and Mathieu Flamini during their English Premier League soccer match at Anfield in Liverpool, northern England December 21, 2014 (Photo: Reuters)
Arsenal manager Arsene Wenger (R) and Liverpool manager Brendan Rodgers stand next to each other during their English Premier League soccer match at Anfield in Liverpool, northern England December 21, 2014 (Photo: Reuters)
Liverpool's Philippe Coutinho, right, scores against Arsenal during the English Premier League soccer match between Liverpool and Arsenal at Anfield Stadium, Liverpool, England, Sunday Dec. 21, 2014 (Photo: AP)
Inter Milan's Yuto Nagatomo (R) fights for the ball with Lazio's Felipe Anderson during their Italian Serie A soccer match at the San Siro stadium in Milan December 21, 2014 (Photo: Reuters)
Inter Milan's Rodrigo Palacio (R) celebrates with his team mate Federico Bonazzoli after scoring a second goal against Lazio during their Italian Serie A soccer match at the San Siro stadium in Milan December 21, 2014 (Photo: Reuters)
Fiorentina's Mounir El Hamdaoui celebrates after scoring during a Serie A soccer match against Cesena at Cesena's Manuzzi stadium, Italy, Sunday, Dec. 14, 2014 (Photo: AP)
Athletic Bilbao's Oscar de Marcos, right, duels for the ball with Atletico de Madrid's Arda Turan during their La Liga soccer match, at San Mames stadium, in Bilbao, northern Spain, Sunday, Dec. 21, 2014 (Photo: AP)
Athletic Bilbao's fans cheer their team during their match against Atletico de Madrid, at San Mames stadium in Bilbao, northern Spain, Sunday, Dec. 21, 2014 (Photo: AP)
Atletico de Madrid's Antoine Griezmann celebrates his goal against Athletic Bilbao, during their La Liga soccer match, at San Mames stadium, in Bilbao, northern Spain, Sunday, Dec. 21, 2014 (Photo: AP)