The Welshman has spoken of the frustration he had felt at being left out of the starting line-up by Zidane for last season's Champions League final win over Liverpool, in which he memorably came off the bench and scored a spectacular overhead kick.
"What I think is that this team needs to continue winning but I think it needs a change, a different voice, another methodology", he said at a news conference explaining his resignation a year ago.
Real now lie in third place in La Liga, 12 points behind leaders and arch rivals Barcelona and neighbors Atletico Madrid.
Real are third in the Liga standings, with Zidane's job now is just to keep them in the top four and secure a Champions League spot.
Almost 10 months after he resigned, Zidane returns to a club in disarray.
Zidane, speaking after Pérez said, "I'm very happy to be here..."
Sportsmail understands Real chiefs made overtures to former Chelsea boss Antonio Conte, while Jose Mourinho was also linked with a return to the Spanish capital - though the Portuguese has denied any direct contact was made.
Solari was handed a contract until 2021 after overseeing an improvement following the sacking of Julen Lopetegui in November.
Bale does have some time to regain Zidane's trust before an end of season overhaul, but whether that happens rests in the hands of both the player in terms of performance in training and whether Zidane is willing to give the player yet another shot to prove he can fill Ronaldo's boots.
"The history of this club is not going to change".
Being the son of the coach, young Luca Zidane could be given a more prominent role at the club, but potentially the most interesting case if that of Isco, whose time in the Spanish capital has been patchy at best.
He was suspended for the defeat to Ajax after deliberately picking up a yellow card in the first leg and, sitting in the stands for the return, Madrid's captain was then pictured filming a documentary as his team-mates were beaten 4-1. Real Madrid won three straight European crowns under his guidance from 2016-18, the first such feat in the competition's modern era, and also La Liga in 2017.