Having already endured an injury-hit season, Gerard Pique picked up another knock in Barcelona's win over Sevilla and is likely to miss the trip to PSG.
With Georginio Wijnaldum's future at Liverpool still up in the air, we look at the players the club should be monitoring in case the midfielder opts to move on
N'Golo Kante has revealed Chelsea boss Thomas Tuchel tried to sign him when he was manager of PSG, though he opted against the move as he was happy in London
Brighton defender Tariq Lamptey has been linked with a move to Arsenal, though Hector Bellerin is the club's first choice right back and a long term servant.
Glasgow and Dublin are at risk of being dropped from the list of host cities for Euro 2020 due to the strict Covid-19 regulations in the two countries.