Frederic Sinistra, 41, discharged himself from a hospital in Liege after denying he had contracted COVID-19.... But Sinistra, who had a 39 win to just 9 loss record, died with complications relating to the virus in the small Belgian city of Ciney just weeks later. Reports claim the 41-year-old, known as the' Undertaker', told his followers on social media he would treat his symptoms away from the hospital. Posts shared to Sinistra's Facebook page showed the kickboxing champion lying in bed at a