Thomas Mueller (R) and Robert Lewandowski (C) of Bayern Munich vies with Mats Hummels of Dortmund during the German first division Bundesliga football match between Borussia Dortmund and FC Bayern Munich in Dortmund, Germany, Dec. 4, 2021. (Photo by Joachim Bywaletz/Xinhua) The future of Robert Lewandowski remains an obscure poker game. While Bayern continues to insist on a minimum transfer fee of 50 million euros, the 33-year-old Pole has to turn up for his first working day in Munich this Tuesday. After the usual medical checks, the first training session for the striker is scheduled for this Wednesday. The Bavarians…