Barcelona's rondo warm-up before the Champions League final in 2011 will never be beaten

The Barcelona teams managed under Manchester City boss Pep Guardiola are considered to be some of the best sides in football history.

When it came to the former Barça manager's 2011 side, however, it was on a whole different level.

The Spanish club arrived at Wembley Stadium to take on Manchester United in the Champions League final.

And before the match, Barcelona showed off an unreal warm-up session of rondo. If United players were watching them, then no-one can blame them for feeling a little bit on edge before the match.

Barcelona put on a superb display against United during the match, as Pedro opened the scoring before Wayne Rooney fired back with an equaliser.

Lionel Messi added a fantastic second and David Villa put United fans -- and their players -- out of their misery with a third.

After the final, former Red Devils boss Sir Alex Ferguson called Guardiola's Barça side "the best team I have faced."

Ferguson added: "Nobody's given us a hiding like that, but they deserve it.

"They play the right way and they enjoy their football. They do mesmerise you with their passing and we never really did control Messi. But many people have said that."

Was Guardiola's 2011 Barça side the best team in the club's history?

Let us know in the comments.