AC Milan returned to the Champions League this season, and a lot of the praise must go to manager Stefano Pioli who has stamped his authority on the side and proved pivotal in their fortunes.
Jurgen Klopp's side have secured their knockout berth with two games to spare, while the Portuguese club are in second place - Sportsmail will provide live text coverage of the clash.
A look at what’s happening in European soccer on Sunday: ENGLAND Two of the Premier League’s in-form teams go head-to-head at the London Stadium when West Ham hosts Liverpool. The Hammers have lost only twice all season.
The Bundesliga's last unbeaten run of the season fell at the Allianz Arena on Saturday, but it was thanks to a 2-1 Bayern Munich win. Freiburg’s strong start faltered, but they are well placed to recover equilibrium.
The Reds easily strolled into the last-16 of the Champions League as group winners with two games to spare on Wednesday following a comfortable 2-0 victory over Atletico Madrid.
The midfielder has attracted interest from all around Europe including Manchester United and Barcelona ahead of his contract expiring at the San Siro next summer.
Zlatan Ibrahimovic scored his 150th Serie A goal as AC Milan inflicted Jose Mourinho's first home defeat as Roma boss. The visitors secured a 2-1 win at the Stadio Olimpico on Sunday.
Four clubs remain unbeaten in Europe's top five leagues. In Italy, Napoli and AC Milan are level on points at the top of the table. Liverpool are fighting for a title with a star-studded squad. And then there's Freiburg.