The Reds depart for Germany this afternoon ahead of the opening meeting of two between the clubs to decide a place in the tournament’s group stages.
The first leg at Rhein-Neckar-Arena on Tuesday night will be followed by a return clash at Anfield next Wednesday.
Liverpool squad: Alexander-Arnold, Moreno, Lovren, Milner, Wijnaldum, Henderson, Can, Mane, Salah, Firmino, Kent, Solanke, Origi, Gomez, Klavan, Flanagan, Robertson, Matip, Grujic, Mignolet, Karius, Ward.