Cillessen joined Barcelona last week, coming in as a replacement for now-Manchester City keeper Claudio Bravo.

As he settles into life at Camp Nou, Cillessen admitted he was surprised to hear of the LaLiga club's interest.

"When my agent told me [about Barcelona's interest] I asked him if it was a joke," Cillessen told Barca TV. "[I couldn't believe that] the best club in the world was interested in me."

Now, as he vies for the number one role with Marc-Andre ter Stegen, Cillessen said he wants to lead Barca to UEFA Champions League victory.

"I want to win titles at Barcelona and I would like to be the goalkeeper that wins the Champions League as a starter," the 27 year-old said.