Former Freiburg captain Julian Schuster is reportedly set to be unveiled this week as head coach of the Bundesliga club from summer onwards in succession of Christian Streich. The Bild paper and Kicker sports magazine said that the announcement could come as early as Thursday or Friday. Streich, 58, said on Monday that he was stepping down at the end of the season after more than 12 years in charge, and almost three decades at the club overall. Midfielder Schuster, 38, played under Streich during his Freiburg term from 2008 until the end of his career in 2018 and is now part of their academy c…