The first legs of the UEFA Champions League semifinals are over, and now it's scenario time to know just what's needed to move on for a spot at the most coveted trophy in club soccer. Paris Saint-Germain's 1-0 win at Arsenal has the French club in a fantastic spot to make it to the big game though there won't be much room for error against the Gunners.

Scoring three away goals should make Inter Milan feel confident heading into the return leg of its Champions League semifinal against Barcelona.

Opta’s supercomputer now tips PSG as Champions League favorites after their win over Arsenal, with Barcelona and Inter Milan still battling for a place in the final