What, last season, was still something of a surprise, is now part of the new Bundesliga reality. If you want to check how Freiburg and Union Berlin are doing these days, it’s quickest to start at the top end of the table. Right in the mix there, along with Bayern and Dortmund – and both still going strong in the DFB Cup, for good measure. Ahead of their Matchday 15 meeting in Freiburg, we take a look at the particular strengths of this pair of putative underdogs.