Newly appointed manager of Real Madrid Zinedine Zidane signals during a Real Madrid training session at Valdebebas training ground on January 5, 2016 in Madrid, Spain. Gonzalo Arroyo Moreno/Getty Images
Real Madrid’s Costa Rican goalkeeper Keylor Navas, second left, and Real Madrid’s Portuguese forward Cristiano Ronaldo, centre, take part in the first training session of French football legend Zinedine Zidane as coach of Real Madrid at the Alfredo di Stefano stadium in Valdebebas, on the outskirts of Madrid, on January 5, 2016. Gerard Julien / AFP
Zinedine Zidane, the newly appointed manager of Real Madrid in action with players during a Real Madrid training session at Valdebebas training ground on January 5, 2016 in Madrid, Spain. Gonzalo Arroyo Moreno/Getty Images
Real Madrid’s Portuguese forward Cristiano Ronaldo, right, gives a bib to Real Madrid’s new French coach Zinedine Zidane during his first training session as coach of Real Madrid at the Alfredo di Stefano stadium in Valdebebas, on the outskirts of Madrid, on January 5, 2016. Gerard Julien / AFP
Newly appointed manager of Real Madrid Zinedine Zidane, centre, talks to his players during a Real Madrid training session at Valdebebas training ground on January 5, 2016 in Madrid, Spain. Gonzalo Arroyo Moreno/Getty Images
Newly appointed manager of Real Madrid Zinedine Zidane, centre, talks to his players during a Real Madrid training session at Valdebebas training ground on January 5, 2016 in Madrid, Spain. Gonzalo Arroyo Moreno/Getty Images
Newly appointed manager of Real Madrid Zinedine Zidane, second right, watches his players during a Real Madrid training session at Valdebebas training ground on January 5, 2016 in Madrid, Spain. Gonzalo Arroyo Moreno/Getty Images