Liverpool will be hoping to complete a famous European comeback at Anfield on Tuesday evening, but four Reds players are running the risk of missing at least half of the semi-final should one be achieved.
The Reds take on Paris Saint-Germain in the second leg of their Champions League quarter-final tie having lost 2-0 in Paris last week, but hopes are high that the Anfield factor can help drag Arne Slot's side over the line and into the last four on what would be another famous night in the club's history.
First leg goals from Desire Doue and Khvicha Kvaratskhelia will ensure that PSG are firm favourites to progress, but an early goal for the hosts at Anfield would ensure that the tie was very much alive.
Liverpool will have to keep their discipline whatever happens though, with four players in particular under the spotlight on the night having already picked up two yellow cards in this season's Champions League.
Captain Virgil van Dijk is the highest profile one of those, with the Reds skipper going into his third straight Champions League game with a suspension threat hanging over him having managed to avoid being booked in the 4-0 home win over Galatasaray and the first leg loss in Paris.
Ryan Gravenberch was another starter in the French capital who is a booking away from a one-game ban, and he could return to the XI having come on for Curtis Jones at half-time in the win over Fulham on Saturday.
Jones was forced off injured in that clash but trained with his team-mates on Monday and is expected to be part of the squad. He too though is a booking away from missing a potential semi-final against either Real Madrid or Bayern Munich.
All of Van Dijk, Gravenberch and Jones managed to avoid a booking in Paris last week, but Alexis Mac Allister's caution there saw him added to Liverpool's list of those at risk.
Champions League rules state that any player who accrues three yellow cards - or any subsequent odd number thereafter - from the league stage onwards would be banned for the next game. All cards are wiped after the quarter-final stage, but any booking in the last eight does count towards a suspension.
The injured Conor Bradley is also in the same boat for Liverpool but won't be involved on Tuesday, while PSG pair Nuno Mendes and Kvaratskhelia would miss the first leg of the semi-final should they be booked and their side progress.
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