Despite the tie being two legged, the first leg result is paramount for Barcelkona considering thier not so great away form.
Barcelona Football Club would be heading into the Semi-Final of UEFA Champions League 2018-19 with the disadvantage of playing the second leg away from home. Considering our troubles of the past in Europe, especially away from home; this match more or less have become a must-win situation.
Barcelona goes into the first leg in a triumphant mood, winning another La Liga title; their 8 in last eleven season. On the other hand, Liverpool is in a tough dogfight for the title in England and we have to see how that pressure acts by the time of the second leg.