Giant meeting already in the round of 16 - in the Europa League playoffs.
And Barcelona and Manchester United certainly provided entertainment.
After Marcos Alonso made it 1-0 early in the second half, red-hot Marcus Rashford would go on to do what he has done so many times this season, namely: score.
Rashford now up to 30 points
The Englishman shot from a tight angle and the ball slipped in behind Marc-Andre ter Stegen.
It was Rashford's 30th point of the season.
Then he would also be behind United's 1-2 goal which came about after Jules Kounde steered the ball into his own goal.
But the Barcelona defender would get revenge.
After a nice preparatory work, Raphinha headed in Kounde's shot and 2-2 was a fact.
It was also Raphinha's second point of the game after assisting Alonso's 1-0 goal.
Now it is completely open for the return in Manchester in exactly one week.