Erling Haaland returned from injury much quicker than expected in last weekend's victory over Wolfsburg and naturally scored off the bench. His return ahead of this weekend's clash with title rivals Bayern Munich is massive for the league. Gio Reyna received a round of applause from his team-mates after returning to first-team training after so long out injured but he wont be rushed back. Dortmund are sweating on the availability of England international Jude Bellingham, who has a knee injury. Thorgan Hazard is still struggling to overcome COVID-19, while Youssoufa Moukoko has suffered a muscle injury and will not play again this year. Raphael Guerreiro and Marius Wolf are both nearing returns. Robert Lewandowski is set for his 350th competitive game for Bayern and will be looking to add to his magnificent tally of 319 goals. Leon Goretzka has a hip injury and could not train at full tilt this week, while Josip Stanisic is ruled out with a thigh injury. Niklas Süle is back training after COVID and could start ahead of Benjamin Pavard. Joshua Kimmich and Eric Maxim Choupo-Moting were the latest Bayern stars to test positive for COVID and miss out again, but Serge Gnabry, Jamal Musiala and Michael Cuisance are cleared to play. Marcel Sabitzer has a calf injury, Tanguy Nianzou is struggling with a shoulder injury while Bouna Sarr has an adductor injury.