Madrid were ultimately deserved winners of the clash in Cardiff, with two goals from Cristiano Ronaldo and further strikes from Casemiro and Marco Asensio sealing a convincing 4-1 victory over Juventus.
Casilla could not contain himself in the final minutes as victory over Juventus approached, and he decided to mark the occasion in a very special way.
The substitute relieved the fourth official of his board, used to show substitutions and added time, and sent his own message to fans.
CASILLA pic.twitter.com/KTyAHOyDhY— Yassine (@YassineSays) 3 de junio de 2017
Few Real Madrid fans would have needed the significance of the No. 12 that flashed up from the Millennium Stadium explained, as the shot-stopper celebrated the record 12th European Cup/Champions League title taken by the Merengue.
Keylor Navas might have been between the posts for the game itself, but at least his deputy managed to make his own mark on the game!