Kickboxing legend Verhoeven was stopped by Usyk in the 11th round - but referee Mark Lycett waved the fight off AFTER the bell had sounded

Oleksandr Usyk defends the WBC heavyweight title against one of kickboxing’s greatest fighters

Oleksandr Usyk will return to action later this evening against Rico Verhoeven - but there are a few rules boxing fans should be made aware of