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,

Paris Saint-Germain were just four games away from invincibility. Until that point, they had navigated 30 Ligue 1 fixtures without tasting a single defeat. It would have been a