Jorge Jesus has stoked the fires ahead of Benfica's Champions League group clash with Barcelona on Tuesday by claiming that their Iberian counterparts are not "perfect".
The Portuguese side go into matchday two with a point to their name, having opened their European campaign with a goalless draw at Celtic a fortnight ago.
Looking ahead to his team's upcoming meeting with the Catalan giants, Jesus acknowledged their opponents' ability in possession of the ball but felt recent performances against Sevilla and Spartak Moscow highlighted their flaws.
"They are the best team in the world when it comes to planned attacking," said the Benfica coach. "But they had some problems against Spartak and Sevilla which prove that they are not perfect.
"The coaches studied them well and you could see why Barcelona were losing those matches. When they lose the ball, their opponents counterattacked sometimes with danger and managed to score.
"It will be a big European night like past seasons, with the big difference this time being that the opponents are Barcelona. The atmosphere will be great and we want to perform well against them, if possible, by earning a point.
"In the Champions League, simply not losing these matches is a good result."
Meanwhile, midfielder Nolito spoke of his anticipation at facing his former side, having left Barcelona in the summer of 2011 due to a lack of first team opportunities.
"It’s a special game for me as I played for Barcelona most of my career," said Nolito ahead of the match. "It will be a pleasure to play them.
"We have [more] tough opponents after Celtic but, despite that, we want to earn all three points. It's just 11 players on each team at the end of the day.
"To beat them we know that we have to run and fight a lot. Barcelona are the favourites but, if we play to the best of our abilities, winning is possible."