RasenBallsport (RB) Leipzig are the youngest club in the Bundesliga, having only been founded in 2009 and are the first team in the top flight based in the east since 2009.
RB Leipzig have become a figurehead for a talking point in modern football as financial investors begin to play a bigger role in football. Red Bull have helped Leipzig fly up the table, and with former Ingolstadt head coach Ralph Hasenhüttl now in charge, much is expected of the club in their debut Bundesliga season. Ralf Rangnick, in the dugout last season, is the brains behind the club's revolution.
Borussia Dortmund are as good as out of the Champions League but a result against Tottenham would boost morale ahead of Saturday's Revierderby. RB Leipzig are still in the hunt though as they travel to the Cote d'Azur.
A disciplined and impressive Hannover side gave RB Leipzig quite the scare on Saturday. But the Red Bulls dug deep, used their squad wisely and won ugly, re-stating their title-challenging credentials in the process.
Timo Werner came off the bench and looked to have rescued RB Leipzig a point in Porto. But the German side fell some way short, conceding two second half goals to suffer a 3-1 loss that leaves work to do in Group G.
Borussia Dortmund failed to beat APOEL and RB Leipzig fell to defeat to Porto on another bad night for German teams in Europe. Both teams have their work cut out to reach the last 16 - re-live all the action here.
Bayern Munich's win over RB Leipzig on Saturday put them top of the Bundesliga again. With less than a third of the season gone, the whole league is shaping up as most imagined, and it's to almost everyone's detriment.