Liverpool and Haaland records key for Champions League night

Liverpool's Champions League title defence is in the balance ahead of Wednesday's last-16 second leg with Atlético Madrid, but Jürgen Klopp's home record with the Reds highlights the task facing Los Colchoneros.

The Spanish side won 1-0 thanks to an early Saúl Ñíguez effort at the Wanda Metropolitano, with Atletico producing a quintessential Diego Simeone display as they fought to cling on to a slender win.

Their approach is unlikely to change at Anfield, but Klopp boasts an impressive record on Merseyside.

In the other of Wednesday's games, Borussia Dortmund take a 2-1 lead over Paris Saint-Germain to Parc des Princes, setting the second leg up tantalisingly with Erling Haaland eying a slice of history - though there will not be any fans in attendance due to the ongoing coronavirus crisis.

Below are the key match facts, courtesy of Opta, ahead of the two finely-poised contests.

Liverpool v Atlético Madrid

2 - On each of the previous two occasions Liverpool have lost away from home in the first leg of a Champions League knockout tie, they have progressed to the next round; the Reds eliminated Chelsea and Barcelona in the semi-finals in 2006-07 and 2018-19, respectively.

0 - Klopp is yet to lose a home Champions League game with Liverpool (W11 D4). His most recent two home defeats in the competition have been in last-16 matches with Borussia Dortmund in 2013-14 (1-2 v Zenit) and 2014-15 (0-3 v Juventus).

1 - Atlético have won just one of their previous nine away Champions League knockout games (W1 D2 L6), a 4-2 win at Bayer Leverkusen in February 2017.

7 - Roberto Firmino has been directly involved in seven goals in five Champions League knockout appearances at Anfield (3 goals, 4 assists), averaging a goal involvement every 54 minutes.

37 - Atleti's Jan Oblak has conceded just 37 goals in his first 49 Champions League appearances. The record for the fewest goals conceded by a goalkeeper in his first 50 appearances is held by Dida (35), followed by Victor Valdes (38).

Paris Saint-Germain v Borussia Dortmund

0 - PSG have never progressed to the next stage of the Champions League after losing the first leg of a knockout tie, going out against Milan in 1994-95, Barcelona in 2014-15 and Real Madrid in 2017-18.

4 - Borussia Dortmund have always progressed to the next stage of the Champions League after winning the first leg of a knockout tie, doing so on all four previous occasions. The only team with a better 100 per cent progression rate after winning the first leg is Juventus (11/11).

5 - PSG have lost five of their previous six Champions League knockout matches (W1), losing each of their past two at the Parc des Princes against Real Madrid in March 2018 and Manchester United in 12 months later.

10 - Haaland is one of only five players to score 10 or more goals in their debut European Cup/Champions League campaign. The only player to score more than 10 was Claudio Sulser, who netted 11 goals in six appearances in 1978-79 for Grasshopper Zurich. Haaland also has the best minutes-per-goal ratio (one every 46 minutes) of any player in the competition's history to feature for at least 250 minutes.

37 - Neymar has been directly involved in 37 goals in 27 home Champions League appearances (20 for Barcelona, seven for PSG), scoring 25 goals and assisting 12. The Brazilian has never ended on the losing side in a home game in the competition (W24 D3).