BERLIN, May 8 -- Hardly a day goes by without a sports headline mentioning Robert Lewandowski. In the past, his goal-scoring hit the back pages, but things have changed.

Newspaper columns are now filled with the behavior of the 30-year-old Pole. Many incidents seem to indicate that the forward's time at Bayern Munich is coming to an end this summer after four years and 150 goals in 193 games.

The controversial debate has come to an inglorious climax after Lewandowski refused to shake hands with Bayern coach Jupp Heynckes after being substituted in the last league match in Cologne (3-1). After ignoring Heynckes, he was admonished by the coach who will turn 73 this Wednesday.

Reports spoke of Heynckes giving Lewandowski a roasting similar to the ones naughty schoolboys receive from their headmasters.

"I am the boss," Heynckes said when making it clear that every player has to accept the coach's decisions. "I was a striker myself. I know strikers always think about their goal record, but I have to think about our number 12, 13 and 14 in the squad," Heynckes stressed.

He said he is aware of Lewandowski's ambitions to win the "Golden Boot" as Europe's top scorer.

Pundits and fans now assume that Lewandowski's departure has become even more likely.

While club legends like former midfielders Paul Breitner and Stefan Effenberg plus goalkeeper Sepp Maier attacked the Pole, former Liverpool professional Ditmar Hamann says he is concerned about Lewandowski's behavior. "I'm confused. I'm afraid he could be a threat to the balance in the squad next season," the former Munich midfielder commented.

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