Valencia winger Joaquin accepts they face a big task against Barcelona tomorrow night.
Joaquin rates Barca the best team in the world.
He said: "It will be an important game against the best team in the world.
"It is clear that we will suffer like never before because Barcelona is a great team, but we will try to play our football.
"We are doing things very well and will try to ensure the Blaugrana are not comfortable in the Mestalla."
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