Timofei Konstantinovich Tszyu :

Australian professional boxer Timofei Konstantinovich Tszyu has been the World Boxing Organization light-middleweight champion.

 World Boxing Organization 2023  : Timofei Konstantinovich Tszyu

Since September 2023, Australian professional boxer Timofei Konstantinovich Tszyu has been the World Boxing Organization light-middleweight champion. He is the older brother of Nikita Tszyu and the son of former boxing world champion Kostya Tszyu in the light-welterweight division. Timofei Konstantinovich Tszyu was born in Sydney, Australia, on November 2, 1994, at the age of 29.