Stefan Thesker

Stefan Thesker (born 11 April 1991) is a German professional footballer. He played as a centre back for Holstein Kiel.
In June 2018, Thesker joined 2. Bundesliga side Holstein Kiel on a three-year contract until 2021.
In February 2016, Thesker announced that he diagnosed with testicular cancer. A year later, he was cancer-free.
On 14 March 2020, Thesker tested positive for COVID-19.