Breaking with tradition is something RB Leipzig know all about, having climbed up the German pyramid by controversial means since their foundation in 2009. After coming from behind to beat Hertha Berlin 2-1 on Saturday, they sit at the pinnacle of that pyramid. Ahead of a first ever meeting with Manchester United in the Champions League on Wednesday, RB Leipzig are unbeaten in five and a point clear of both Bayern Munich and Borussia Dortmund. They’ve done it by breaking with their own young “traditions” under Germany’s youngest coach, Julian Nagelsmann. When RB Leipzig first arrived in the Bundesliga in 2016, they threatened to take the league by storm with then sporting director Ralf Rangnick’s high-energy brand of counterattacking football. But the sugar-rush was followed by something of a comedown when the added burden of European football took its toll. Rangnick, the sporting brains behind RB’s rise, is no longer at the club. Under his former Hoffenheim protégé Nagelsmann, RB are a more versatile team, capable of both classy counterattacks and dominant spells of possession. Tactical tweaks Against Hertha, they enjoyed 68 percent of the ball, completing 85 percent of their 543 passes. These possession statistics were no outlier either. Similar numbers were to be found in wins…