Freiburg defender Philipp Lienhart is fit to return at West Ham United on Thursday as the Black Forest side attempt to reach the quarter-finals of a European competition for the first time in the club’s history. “Philipp Lienhart is back,” coach Christian Streich told reporters on the eve of the Europa League round of 16 second leg in London. After almost two months out following a groin operation, the Austria centre back will be back in the squad, but will only be able to play 20 to 30 minutes. “But not from the start,” added Streich, who said midfielder Noah Weißhaupt would be missing. After…