Barcelona coach Ronald Koeman admits they face a huge challenge against Paris Saint Germain.

The two teams have been drawn together for the Champions League round of 16.

And Koeman, speaking after the UEFA draw was made, believes the exciting tie cannot be split, insisting for the moment both teams have a 50-50 chance of progressing to the quarter-finals.

Significantly, the Barca coach admits both teams will be under huge pressure to win when they meet early next year.

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