The fear that Lamine Yamal provokes in defenders when he gets the ball on Barcelona's right flank has inevitably conjured up comparisons to a young Lionel Messi.

How does it work?Thirty-six sides entered into the new "league phase" and now just four remain with a month-and-a-half to go in the UCL campaign.Barcelona, Paris Saint-Germain, Arsenal, and Inter Milan are through to the semifinals,

Barcelona lost that first leg 3-1 and a stout defensive performance by Inter in the return match saw it advance to the final 3-2 on aggregate — where it beat Bayern Munich to clinch a historic treble under Jose Mourinho.