"He won't be with us this weekend" – Dortmund's Karetsas out of Paderborn clash

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Bulinews

·10 September 2026

Speaking on the sidelines of today's training session, Ole Book explained why and discussed whether the Greek talent has a heart problem.

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"It's clear that we're prioritizing the health of both the person and the player. He won't be with us this weekend [vs SC Paderborn].

“At the moment, it doesn't look like it's going in that direction [heart concerns]. So far, we're quite optimistic.

"He is doing well, given the circumstances. Further examinations are underway; we want to get to the bottom of this," the BVB chief added.

According to Belgian media, dehydration played a role in his health situation, but is unlikely to be the sole cause of his collapse.