Zinedine Zidane said he returned to Real Madrid due to his love for the club and Florentino Perez.
"I've come back because the president called me and as I love the president and the club, I'm here. After eight months, I want to coach again, I took this decision for the good of everyone, we had to make a change," said Zidane.
Perez hailed Zidane's signing as a new era for the club.
"It's a new project, an exciting new era with one of our great symbols leading, Zinedine Zidane. The best coach in the world is here, thank you Zizou for your loyalty and forming part of this legendary club," said Perez.