Borussia Dortmund CEO Hans-Joachim Watzke said that the Champions League final against Real Madrid on Saturday is “one of the biggest matches in the club’s long history.” That’s because Madrid are “the biggest and most successful club in the world – and the club with the greatest charisma, you have to say that without being jealous,” Watzke told the Bild newspaper ahead of the game in London. The record Champions League winners are the clear favourites, but Dortmund feel comfortable in the underdog position. The team can “always achieve something extraordinary in a match,” Watzke said. “Dortmu…