Last Saturday, Die Roten Bullen were forced into a 0 - 0 draw by Union Berlin. In this game, they managed to generate only 0.27 expected goals (xG), in contrast to their opponents' 1.27 xG.

The home team has been unable to score in two successive games. They also suffered a 1 - 0 loss against Sturm Graz in the Champions League on January 29, although they had netted 12 goals in their previous five matches.

Leipzig has faced difficulties when playing against teams in the lower half of the league table. Costly draws against St Pauli, VfL Bochum, and Union Berlin, along with a defeat against Hoffenheim in late November, have plunged them into a tough fight for a European spot.

By the end of matchweek 21, Marco Rose's team could potentially drop out of the top four. Currently, there are only three points separating them from ninth - placed Freiburg, while 10th - placed Wolfsburg and 11th - placed Borussia Dortmund are just four points behind.

Die Roten Bullen are winless in their past four matches in the top flight – drawing their past three – and have conceded 14 goals in their last six in the league.

Leipzig's record in the Bundesliga at Red Bull Arena is phenomenal, with the club winning 10, drawing five and losing just one of their 16 most recent outings at home.

As for the visitors, they performed excellently from a defensive perspective against Augsburg considering they only faced a total of two shots, and they can count themselves unfortunate to have conceded in the 83rd minute.

St Pauli have already faced Leipzig twice this season, and though they managed to earn a point in the league after drawing 0-0 with Sunday's hosts on September 22, they lost 4-2 against Leipzig in the DFB-Pokal on October 29.

Head coach Alexander Blessin's side have scored 18 goals and conceded 22 times in the Bundesliga, and these are the division's third-worst offensive and second-best defensive records.

Kiezkicker come into the clash in good form having drawn one and triumphed in two of their past three outings, conceding just once.

It should also be noted that they have achieved victory in two of their last three away fixtures, though they have still been beaten in seven of their 13 matches on the road this term.

Leipzig defender Benjamin Henrichs is set to miss the rest of the season, and he joins midfielders Forzan Assan Ouedraogo and Xaver Schlager on the sidelines.

David Raum, Lukas Klostermann, Willi Orban and Castello Lukeba are likely to start in defence, and they may be shielded by a double pivot of Nicolas Seiwald and Amadou Haidara.

Lois Openda and Benjamin Sesko will almost certainly be partnered by each other up front, though Yussuf Poulsen is struggling with a thigh injury.

St Pauli are dealing with numerous absences, including goalkeepers Sascha Burchert and Soren Ahlers, so expect Nikola Vasilj to start between the posts.

Centre-backs Hauke Wahl, Eric Smith and David Nemeth are likely to protect Vasilj considering Karol Mets and Manolis Saliakas have been ruled out, while Jackson Irvine and James Sands may feature in midfield given Robert Wagner will play no part on Sunday.

Forwards Simon Zoller and Morgan Guilavogui are unavailable, and this could mean striker Johannes Eggestein will be supported by Oladapo Afolayan and Noah Weisshaupt.

RB Leipzig possible starting lineup:

Gulacsi; Klostermann, Orban, Lukeba, Raum; Nusa, Seiwald, Haidara, Xavi; Sesko, Openda

St Pauli possible starting lineup:

Vasilj; Wahl, Smith, Nemeth; Treu, Irvine, Sands, Ritzka; Afolayan, Eggestein, Weisshaupt