Borussia Dortmund midfielder Axel Witsel celebrates the German club's 3-2 midweek Champions League win over Inter Milan. Thoughts now turn to Der Klassiker against Bayern Munich. Reuters
Borussia Dortmund midfielder Axel Witsel celebrates the German club's 3-2 midweek Champions League win over Inter Milan. Thoughts now turn to Der Klassiker against Bayern Munich. Reuters

Der Klassiker: Borussia Dortmund 'have nothing to lose' as they look to pile more misery on embattled Bayern Munich