Real Madrid, Porto and Spain debut

On September 12, 1999, Iker made his debut at the age of 18 in a match against Athletic Bilbao. In Bilbao, Casillas played the first of the 725 games he played in the Real Madrid shirt. A figure that places him as the second player who has worn white the most times in the history of the club, only behind Raúl (741).

His debut in the Spanish senior team was on June 3, 2000 against the Swedish team in a friendly match that ended 1-1 Iker Played 27 minutes.

Iker Casillas made his debut on July 18, 2015 with Porto in a friendly match in which the Portuguese club beat modest Duisburg 0-2, from the German Second Division.