Barcelona manager Tata Martino believe his side will be involved in the tightest Champions League Round of 16 tie.
The Catalan giants, who last won Europe's premier club competition in 2011, meet Manchester City at the Etihad Stadium in the first leg on Tuesday before hosting Manuel Pellegrini's men at the Nou Camp on March 12.
Ahead of the initial tie, Martino suggests his Barcelona are facing a very difficult two-legged contest against an extremely dangerous City outfit.
"I don't think City are a mini-Barcelona or a mini any team. I think they are one of the greatest teams in the world. They have great Spanish players like (Jesus) Navas and (David) Silva, but it is not only Spanish players," he said.
He added: "For the last six seasons Barcelona have made it to the semi-finals and the fans are used to that.
"It will be difficult to understand if we don't go through but it is the tightest tie of all."
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