'Always a nightmare!' - Borussia Dortmund captain Reus on new team-mate Haller
Sebastian Haller has big shoes to fill as he is being trusted to replace Erling Haaland at Borussia Dortmund, however club skipper Marco Reus is already convinced by the skills of the 28-year-old striker and believes that he will be a 'nightmare' for Bundesliga defenders.


