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,

Brighton and Newcastle are two of the teams vying for those spots, with Newcastle chasing Champions League and Brighton after a Europa League spot. Brighton were able to arrest their slide with a late-winner over an insipid West Ham.