Paris SG and Chelsea last faced in the UEFA Champions League in the last 16 in 2015-16, with the French side winning both legs 2-1.
Chelsea have only won two out of eight UEFA Champions League matches against Paris SG (D3 L3). They have only lost more games against Bayern Munich and Barcelona (4 each) than Paris SG (3) in the competition.
Paris SG have progressed from their last three UEFA Champions League knockout ties against English clubs, all last season (Liverpool in last 16, Aston Villa in quarter-final, Arsenal in semi-final).
Since losing 2-1 to Paris SG in March 2016, Chelsea have won all six of their UEFA Champions League games against French clubs (four vs Lille, two vs Rennes).
Chelsea boss Liam Rosenior will be the 16th manager to see his first knockout stage game in the UEFA Champions League come against the reigning champions. Of the previous 15, only one of those has been victorious (D5 L9): Ralf Rangnick in April 2011 (FC Schalke 04 5-2 Internazionale, quarter-final first leg).
In terms of average age, Chelsea (24y 31d) and Paris SG (24y 195d) are the two teams with the youngest starting XIs fielded in the UEFA Champions League this season. The last knockout stage game in the competition to see both sides use a starting XI with an average age under 25 was in March 2012, with Bayern Munich (24y 319d) and Basel (24y 233d) both doing so in a round of 16 clash (second leg).
Paris SG are the top-ranked team in the UEFA Champions League this season for possession average (69.7%), build-up attacks per game (7.3) and pass completion rate under high-intensity pressure (85.7%).
Since the start of last season, only Ousmane Dembélé (16) has more combined goals and assists for Paris SG in the UEFA Champions League than full back Achraf Hakimi (13). The Moroccan also leads all players for the French side in this period for assists (8) and chances created (54).
Estêvão is Chelsea’s joint-top scorer in the UEFA Champions League this season (3 – level with João Pedro). Should he find the net in this match, he would become the youngest ever South American player to score in a knockout stage game in the competition (18y 321d on the day), with the current record held by Carlos Alberto (scored in the 2004 final for FC Porto, aged 19y 167d).
Paris SG’s Vitinha has the highest pass completion rate under high-intensity pressure of any midfielder in the UEFA Champions League this season (93.3% - min. 50 attempted), as well as leading all players in this edition for total passes completed under high-intensity pressure (470).