Totti said: "The 7-1 belongs to the past and will never happen again. It was a massive blow to us but it served as a lesson.
"I am convinced it will never happen again. As far as revenge goes I am just thinking about getting through, that is all that matters, even if it is just 1-0.
"Cristiano Ronaldo is the key player but we are not obsessed with him. They have a super team and we have to not just focus on one player."