After a big win in Leipzig last weekend, Borussia Dortmund are back in Bundesliga action when they host bottom club FSV Mainz 05 at the Signal Iduna Park on Saturday.Dortmund won 3-1 at the Red Bull Arena last weekend thanks to a brace from Erling Haaland and a goal from Jadon Sancho.🎙 Edin Terzic:“On Saturday, we want the same number of points against Mainz as we got against Leipzig. We are keen to build on what we achieved on the last matchday." pic.twitter.com/P5seEb2fry— Borussia Dortmund (@BlackYellow) January 14, 2021That win took Dortmund back into the Bundesliga top four. Edin Terzic's side are just five points off league leaders Bayern Munich, and could yet be big players in the title race.Mainz, on the other hand, are fighting at the other end of the spectrum. Schalke's win over Hoffenheim last weekend meant that Mainz were left rooted to the bottom of the league.Last weekend, they had the right to be aggrieved by refereeing calls not going their way. Andre Silva scored two penalties against them to give Eintracht Frankfurt a 2-0 win.Borussia Dortmund vs FSV Mainz 05 Head-to-HeadDortmund have beaten Mainz in 16 of the last 30 games between these two sides, losing only six times in the process. Eight of those 30 games ended in draws.Borussia Dortmund form guide: W-W-W-L-WFSV Mainz 05 form guide: L-L-L-D-LBorussia Dortmund vs FSV Mainz 05 Team NewsBorussia DortmundBorussia Dortmund's interim manager Edin Terzic will miss Axel Witsel for the remainder of the season. The Belgian had successful surgery after rupturing his Achilles tendon.Thorgan Hazard and Marcel Schmelzer are also ruled out of this game.🎙️ Edin Terzic:"Unfortunately, as everyone knows, Axel Witsel will be out for the long term. We keep our fingers crossed that he will get fit again quickly. Jude Bellingham is back and an option for Saturday." pic.twitter.com/otwwV1bQ2A— Borussia Dortmund (@BlackYellow) January 14, 2021Injured: Axel Witsel, Thorgan Hazard, Marcel SchmelzerDoubtful: NoneSuspended: NoneFSV Mainz 05Mainz will be without Edimilson Fernandes, who has returned a positive COVID-19 test. Pierre Kunde is unavailable through injury, while Luca Kilian, Niklas Tauer and Paul Nebel are all in doubt for this game.Injured: Pierre KundeDoubtful: Luca Kilian, Niklas Tauer, Paul NebelSuspended: NoneUnavailable: Edimilson FernandesBorussia Dortmund vs FSV Mainz 05 Predicted XIBorussia Dortmund Predicted XI (4-2-3-1): Roman Burki; Thomas Meunier, Manuel Akanji, Mats Hummels, Raphael Guerreiro; Emre Can, Thomas Delaney; Jadon Sancho, Marco Reus, Giovanni Reyna; Erling Braut HaalandFSV Mainz 05 Predicted XI (4-2-3-1): Robin Zentner; Daniel Brosinski, Jeremiah St. Juste, Alexander Hack, Moussa Niakhate, Danny Latza, Leandro Barreiro; Adam Szalai, Jean-Paul Boetius, Robin Quaison, Jean-Philippe MatetaBorussia Dortmund vs FSV Mainz 05 PredictionMainz were impressive in the first half of their game against Bayern Munich. However, they haven't been able to sustain their performance levels for a full game so far this season. We are predicting that Dortmund will comfortably brush aside the Bundesliga's bottom club in this game.Prediction: Borussia Dortmund 4-1 FSV Mainz 05