Casillas has been with Real Madrid since he was nine. Fans forced the club to open its doors for a final farewell.

Iker Casillas did not want to create a huge show when he decided to finally leave Real Madrid, a club that he has been with since he was nine-years-old. While that was alright with Florentino Perez, that was not what many fans wanted and they even forced their way into the Santiago Bernabeu to bid farewell. 

In July 1999, Casillas finally got the chance to appear as a part of Madrid's premium roster. The Spanish goalkeeper will leave the place he has called home for 25 years and move to most likely finish his career in Portugal with Porto.

His teammates used Twitter to express their gratitude

"Iker, I'm proud to have worked with you so many years. Best of luck in your new team"

"It's a privilege to say I was a partner of the best goalkeeper in the history of Real Madrid!!  Good luck and best wishes"

The 34-year-old player received several options on how to say goodbye, but a complication with the negotiations between his former club and his new team, made everything more complicated and he decided he would only address media in a very small room by himself.

There was supposed to be a massive goodbye ceremony at the Bernabeu last Friday, and now, fans insisted they wanted to be a part of a special moment in the history of the club. They wanted to be there for someone that had won 19 titles with Los Merengues, and that seemed to be walking out the back door.

Iker showcases all he has won with the Merengues

His fans forced the club to open its doors

Casillas, who just signed a two-year contract, waved to his fans who just an hour earlier wanted the club's president, Florentino Pérez, to leave.His teammates were not in attendance as they are now in Melbourne to play in the International Champions Cup. 

"I'm just another Real fan and I'll come and cheer on Real Madrid whenever I can. I'll try and take Real Madrid's name with me wherever I go", Casillas said to those that took some time to visit him. 

In the last two seasons, Casillas was booed more times than in previous years. He obviously did not like it one bit but was quick to react to criticism whenever it was needed. Now that he leaves Madrid behind, he claimed that he would only remember the happy moments with the club and any bad feelings would be left behind.

WATCH: Casillas and Florentino's final farewell words 

Casillas leaves after having played 725 games with RM

It was not only Real Madrid players and fans that wished farewell to the former captain of five years and World Cup Champion with Spain. Big players in the world of football also wished him the best in his new adventure, no matter what club they are from.

Buffon, more than a rival, considers Casillas as a friend