Former Liverpool players Luis Suarez and Philippe Coutinho have been in high spirits ahead of their return to England.
Barcelona will travel to the North West to take on Manchester United at Old Trafford in the Champions League on Wednesday.
In a training session this week, the tricky Uruguayan showed off his moves as he put the ball through Coutinho's legs.
Follow build-up to tonight's Champions League clash with Porto HERE
The Brazilian laughed off the nutmeg which came during an intense rondo session.
Suarez placed a caption onto the video which read: "Perdona", meaning 'excuse me' in Spanish.
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It will be the former Liverpool No.10's second return to face Premier League opposition since his £142million move to the Catalan club.
Coutinho scored at Wembley against Tottenham in October during a 4-2 Barca victory.
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Speaking to the Mirror ahead of his highly anticipated return, the Brazil international said: "If they boo myself and Luis Suarez then that’s normal at Old Trafford because of the team we used to play for.
"But it won’t make any difference to me. And, even more than that, it is an incentive to play better and to be even more focused."
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If Jurgen Klopp's side safely navigate past their quarter-final tie with Porto, they could set up a tasty clash with Barcelona.
That's if the La Liga champions-elect can overcome Ole Gunnar Solskjaer's team.
