Barcelona legend, Ronaldinho, has said the first goal will be key as his old side welcome Manchester United, for the second leg of their Champions League quarter-final tie on Tuesday.
Luke Shaw’s own goal separates the sides after their first meeting at Old Trafford last week.
Ronaldinho, speaking to the UK Mirror, admits it leaves the fixture hanging in the balance.
“The truth is that Barcelona should have finished the game in Manchester – but at just 1-0 Manchester United will still believe that are in this tie.
“With the way that Barcelona have been playing and the amount of goals they have been scoring, I do expect them to progress.
“I see them even winning comfortably in Barcelona. It will all be on the first goal.
“If Barcelona score, then it will be a long evening for Manchester United.
“But if they (United) can score the first goal, then it’s going to make the stadium nervous – and you never know what can happen then,” he said.