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,

This season's Champions League is nearing its conclusion, with Arsenal, Paris St-Germain, Inter Milan and Barcelona the four sides left vying for a place in the final. Mikel Arteta's Arsenal will take on Ligue 1 champions PSG,

The Champions League is down to four, with one club from four of Europe’s top five leagues represented in the semifinals. PSG the champions of France, takes on Arsenal in London, while Barcelona hosts Inter Milan during a chaotic time for both clubs.