The holders were 1-0 down from the first leg going into the match in Germany, but twice came from behind to draw level at 2-2 before Goran Pandev’s late winner.
Leonardo said: “Skill was the key to our recovery. We managed to recover without losing our heads. We stayed calm and tranquil.
“Pandev? He scored a goal that Maradona would have been proud of at a time that has not been so good for him.
