Only four teams have managed to beat Barcelona this season but Gareth Bale believes that United will be able to be the fifth team if they go out to attack at Wembley.
Tonight's clash represents a battle between the best in Spain and England but Barcelona certainly come into this highly anticipated clash as favourites. They have been in imperious form of late but Gareth Bale believes that Sir Alex's men definitely have a chance of overthrowing the Spaniards if they go out with an attacking mentality.
"It's going to be a close, close game. They are the two champions from each country.
"Personally I'd probably say Barcelona will win because they play such good football and it's going to be hard to see how United will stop them.
"I think it's going to be an interesting game; it will be good to see how Manchester United set out against Barcelona, whether they go for it or sit back.
"I would go for it; it's a final, a one off game, the only way you're going to win is by scoring goals. The only way to do that is by attacking them so I would like to see them attack."
"It's going to be a close, close game. They are the two champions from each country.
"Personally I'd probably say Barcelona will win because they play such good football and it's going to be hard to see how United will stop them.
"I think it's going to be an interesting game; it will be good to see how Manchester United set out against Barcelona, whether they go for it or sit back.
"I would go for it; it's a final, a one off game, the only way you're going to win is by scoring goals. The only way to do that is by attacking them so I would like to see them attack."