Erling Haaland scored a brace to help second-placed Borussia Dortmund thrash VfL Wolfsburg 6-1 in the Bundesliga on Saturday. Dortmund have temporarily cut the gap to leaders Bayern Munich to six points, just a week before their clash at the Allianz Arena. The Bavarians, however, still have a trip to Arminia Bielefeld on Sunday. Dortmund scored three goals within four minutes after debutant Tom Rothe broke the deadlock in the 24th minute. Axel Witsel followed, sending the ball past keeper Koen Casteels after a Haaland assist in the 26th, and Manuel Akanji stretched his leg to complete a Marco …