Barcelona's Spanish forward #10 Lamine Yamal fights for the ball with Athletic Bilbao's Spanish defender #19 Adama Boiro during the Spanish league football match between Athletic Club Bilbao and FC Barcelona at San Mames Stadium. AFP
Barcelona's Portuguese defender #02 Joao Cancelo fights for the ball with Athletic Bilbao's Spanish forward #07 Alex Berenguer during the Spanish league football match between Athletic Club Bilbao and FC Barcelona at San Mames Stadium in Bilbao. AFP
FC Cologne's US defender #32 Kristoffer Lund (C) and Dortmund's Brazilian defender #02 Yan Couto (L) vie for the ball during the German first division Bundesliga football match 1 FC Cologne v BVB Borussia Dortmund in Cologne, western Germany. AFP
FC Cologne's German forward #09 Ragnar Ache (R) and Dortmund's German defender #04 Nico Schlotterbeck both jump to head the ball during the German first division Bundesliga football match 1 FC Cologne v BVB Borussia Dortmund in Cologne, western Germany. AFP
Leverkusen's Alex Grimaldo, left, and Freiburg's Christian Guenter battle for the ball during their German Bundesliga soccer match in Freiburg Im Breisgau, Germany. AP
Freiburg's Igor Matanovic, right, and Leverkusen's Robert Andrich battle for the ball during their German Bundesliga soccer match in Freiburg Im Breisgau, Germany. AP
Atletico Madrid's French forward #07 Antoine Griezmann kicks the ball during the Spanish league football match between Club Atletico de Madrid and Real Sociedad at Metropolitano Stadium in Madrid. AFP
Atletico Madrid's Spanish midfielder #06 Koke fights for the ball with Real Sociedad's Spanish defender #18 Carlos Soler and Real Sociedad's Venezuelan defender #02 Jon Aramburu during the Spanish league football match between Club Atletico de Madrid and Real Sociedad at Metropolitano Stadium in Madrid. AFP
Juventus' Turkish forward #10 Kenan Yildiz (R) and Pisa's Italian defender #33 Arturo Calabresi (L) fight for the ball during the Italian Serie A football match between Juventus and Pisa at the Allianz Stadium in Turin, northern Italy. AFP
Juventus' French midfielder #19 Khephren Thuram-Ulien (R) and Pisa's Italian defender #33 Arturo Calabresi (L) fight for the ball during the Italian Serie A football match between Juventus and Pisa at the Allianz Stadium in Turin, northern Italy. AFP