Sergey Alexandrovich Kovalev (Russian: Сергей Александрович Ков...
wikipedia - 20 Dec 2020Sergey Alexandrovich Kovalev (Russian: Сергей Александрович Ковалёв; born 2 April 1983) is a Russian professional boxer. He has held multiple light heavyweight world championships, including the WBA (Super) and IBF titles from 2014 to 2016, and the WBO title three times between 2013 and 2019.