Edin Terzic was still shocked by the terrible news when he stepped out into the garden of the five-star hotel on Tuesday afternoon, where the Borussia Dortmund pros are staying during the summer training camp in Switzerland.

"The week went very well until yesterday," said the coach of the Revierklub, in whose environment a new belief in winning the German championship title was just beginning to sprout.

On Monday evening, just before a 3-1 friendly against FC Valencia, Terzic found out that striker Sébastien Haller had been diagnosed with a tumor in his testicles.

The magic of a new start with a new coach and a refreshed squad is gone for now.

Haller felt uncomfortable

The 28-year-old Haller felt unwell after training on Monday morning, after which he was thoroughly examined.

The tumor was discovered, but its exact nature is initially unclear.

There is hope that it is not cancer, an exact diagnosis will result in examinations.

"The entire BVB family wishes Sébastien that he recovers completely as soon as possible and that we can hug him again soon," said sporting director Sebastian Kehl.

Similar reactions came from other clubs and players;

Timo Baumgartl, for example, who was diagnosed with testicular cancer in May, wished for a favorable healing process via Instagram.

"You're not alone.

Get well soon.” Just last week, Hertha BSC announced that Marco Richter would not be able to play football for an indefinite period due to a tumor removal.

However, there is no statistically unusual accumulation, said the urologist Axel Heidenreich from the University of Cologne to the FAZ. With an incidence of 25 to 30 cases among 100,000 men per year in the age group of professional footballers, it is “realistic that in the federal leagues one to two cases are diagnosed per year.”

Nevertheless, every individual fate remains bad and carries the risk of a serious illness, so Terzic actually did not want to talk about the sporting consequences of the diagnosis: "First and foremost it is about Sébastien Haller getting healthy again," he said.

In addition, neither the severity of the illness nor the downtime are known.

If there is no surprising turn of events, the search for people who can compensate for the impending failure will soon begin.

Haller, who was brought to BVB from Ajax Amsterdam for 31 million euros, should fill the gap left by Erling Haaland.