First-half goals from Emre Can and Mats Hummels and a sensational effort by Jude Bellingham steered Borussia Dortmund to a comfortable 3-1 victory at Arminia Bielefeld on Saturday. Playing without their injured top striker Erling Haaland, who will be sidelined for several weeks with a hip injury, Dortmund were never troubled as they secured their seventh league win from nine …