A picture taken on May 16, 2002 shows Real Madrid's French star Zinedine Zidane with the Champions League cup at a balcony overlooking the Puerta Del Sol square in Madrid (AFP)
A picture taken on March 27, 2002 shows French Zinedine Zidane running for the ball during the friendly football match France vs Scotland at the Stade de France in Saint-Denis, north of Paris (AFP)
A picture taken on August 30, 1998 shows French football player Zinedine Zidane posing with the World Cup 98 trophy in Marseille (AFP)
A picture taken on July 12, 1998 shows French player Zinedine Zidane holding up past Marcel Desailly (R) at the FIFA Trophy at the Stade de France in Saint-Denis, after the 1998 World Cup final between France and Brazil (AFP)
Real Madrid's newly appointed coach Zinedine Zidane, center, gives instructions to his players during his first training session in Madrid, Spain, Tuesday Jan. 5, 2016 (AP)
Real Madrid's newly appointed coach Zinedine Zidane, 2nd from right, gives instructions to his player during his first training session in Madrid, Spain, Tuesday Jan. 5, 2016 (AP)
Real Madrid's President Florentino Perez, right, stands with newly appointed coach Zinedine Zidane at the Santiago Bernabeu stadium in Madrid, Spain, Monday Jan. 4, 2016 (AP)
Real Madrid's new French coach Zinedine Zidane (3rdL) poses with his wife Veronique (C) and their sons and Real Madrid's president Florentino Perez (3rdR) after a statement at the Santiago Bernabeu stadium in Madrid on January 4, 2016 (AFP)
Real Madrid's new French coach Zinedine Zidane arrives to delivers a speech after his appointment by Real Madrid's president at the Santiago Bernabeu stadium in Madrid on January 4, 2016 (AFP)
In this March 26, 2015 file photo, former soccer player and current Real Madrid B team coach Zinedine Zidane waves to spectators prior to the international friendly soccer match between France and Brazil at the Stade de France, north of Paris, France (AP)
Real Madrid's coach Carlo Ancelotti (R) watches his assistant Zinedine Zidane shout at their players during their Champions League final soccer match against Atletico Madrid at Luz stadium in Lisbon, May 24, 2014 (Reuters)
In this May 24, 2014 file photo, former player and current Real Madrid B team coach Zinedine Zidane lifts the Champion League trophy, at the end of the Champions League final soccer match between Atletico Madrid and Real Madrid in Lisbon, Portugal (AP)
A photo taken on July 9, 2006 shows French midfielder Zinedine Zidane (L) gesturing after head-butting Italian defender Marco Materazzi during the World Cup 2006 final football match between Italy and France at Berlin’s Olympic Stadium (AFP)
A picture taken on January 15, 2006 shows Real Madrid's Zinedine Zidane celebrating a goal during a Spanish League football match between Real Madrid and Sevilla, at the Santiago Bernabeu stadium in Madrid (AFP)