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Borussia Dortmund's second-half toils reveal this is a team still enduring an identity crisis
The first leg of the Germans' last-16 tie with Lille exposed how fragile their revival under Niko Kovac still is as familiar habits reared
The first leg of the Germans' last-16 tie with Lille exposed how fragile their revival under Niko Kovac still is as familiar habits reared
