Four unforgettable moments when Real Madrid pulled off stunning Champions League comebacks, showing why they remain the ultimate force in European football.

Real Madrid's website defiantly told fans that "anything is possible" before they attempt to overcome a three-goal deficit to Arsenal in the Champions League.

MADRID (AP) — Real Madrid, a team known and feared for producing epic Champions League comebacks, needs to deliver its biggest one yet to keep its title defense alive on Wednesday. The record 15-time European champions are staring at a 3-0 deficit to Arsenal heading into the second leg of the quarterfinals at the Santiago Bernabeu stadium.