Borussia Dortmund secured a crucial away victory against 1. FSV Mainz 05 on Sunday, extending their lead at the top of the Bundesliga table. Erling Haaland struck in the 24th minute, before a second goal from Marco Reus sealed the win in the 66th minute. The result further solidifies Dortmund's grip on the league title, with a four-point cushion over their nearest rivals.