Borussia Dortmund welcomes 1. FC Köln in a pivotal Bundesliga matchup as the visitors seek to snap a six-game losing streak against their rivals. Dortmund, meanwhile, look to bounce back from a shock defeat to Mainz, and the team's high-flying attack featuring Erling Haaland will be a key factor in determining the match's outcome. A victory for Köln would be a major upset in the derby.