Champions League is back - but it's not like you've ever known it before. Matches are going to be played behind closed doors and a host of new rules have been brought in to ensure it runs safely.That said, the elite teams of the continent will still be jetting around to give us a mouthwatering set of fixtures.
On the opening matchday, PSG host Manchester United, while Liverpool's game against Ajax looks scintillating on paper. But what new rules are they going to have to follow?We already know that there will be no fans, but there are alterations to two key aspects to the game: substitutions and the video assistant referee.Here are the rule changes you need to know about...In Lisbon during last season's mini-tournament, clubs were permitted.
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