Peter Bosz's tenure as Borussia Dortmund manager was over as soon as Schalke scored their second goal to narrow the lead to 4-2 in the Revierderby.
From then, Naldo's stoppage time equaliser to complete the greatest comeback in Bundesliga history was inevitable. Bosz had been outwitted and outclassed not by a better team, but by a better manager, whose two substitutions after just over half an hour changed the game utterly and exposed the failings of the Dutch coach's approach.
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