Anfield once again hosts a Champions League semi-final as Barcelona are on Merseyside for the second leg of the last-four tie.
Line-up:Anfield:Team comparison:Klopp's pre-match presser:https://www.youtube.com/watch?v=HRj_ey2ietQStat attack:Stat attack
Some handy facts and figures to know before kick-off...
Liverpool have never lost both legs of a European Cup semi-final
The club have hosted 18 European semi-finals in the past, winning 14, drawing three and losing just one
The Reds have won three of their four European semi-finals against Spanish opposition
Jürgen Klopp's side have led at half-time in 25 games this season and gone on to win every one of them
The referee for this game is Turkey's Cuneyt Cakir. He has taken charge of Liverpool twice before - the 4-3 win over Borussia Dortmund in 2016 and this season's 3-2 victory against Paris Saint-Germain
NewsFour changes for Liverpool against Barcelona tonight, with Xherdan Shaqiri and Divock Origi coming in to join Sadio Mane in attack.
Elsewhere, James Milner and Joel Matip return, while Rhian Brewster and Ben Woodburn are on the bench, but Alex Oxlade-Chamberlain is ruled out as a precaution due to a slight muscle strain.
Liverpool: Alisson, Alexander-Arnold, Matip, Van Dijk, Robertson, Fabinho, Milner, Henderson, Mane, Shaqiri, Origi.
Substitutes: Mignolet, Wijnaldum, Lovren, Gomez, Sturridge, Brewster, Woodburn.
Barcelona: Ter Stegen, S. Roberto, Piqué, Lenglet, Alba, Rakitic, Sergio, Vidal, Coutinho, Suarez, Messi.
Substitutes: Alena, Cillessen, Arthur, Semedo, Malcom, Umtiti, Vermaelen.
Inspiration...Liverpool need goals this evening and they need only look back a year to the Champions League semi-finals of 2017-18 for proof it can be done.
The Reds racked up five against AS Roma in the first leg of their last-four tie 12 months ago - relive the atmosphere of that night again below...
https://www.youtube.com/watch?v=P6clI9eP21o