It is probably a stretch to call BVB title contenders but Niko Kovac’s side maintained their 100% start against Stuttgart Borussia Dortmund would probably rather not think about the last time that they topped the Bundesliga. It was in May 2023, just before all their dreams imploded , with black and yellow Deutschmeister t-shirts – ‘master of Germany’ – for sale on the approach to Signal Iduna Park and cold beers at the ready. Now, that is no longer the most recent time Dortmund have led the pac…