David Haye - Wikipedia
Oleksandr Usyk scores thunderous knockout of Tony Bellew to remain undefeated cruiserweight champion - CBSSports.com
Current Boxing World Champions (December 2018)
ISKA's Action-Packed May Included Eight World Title Fights & More! – ISKA World Headquarters
Current and all-time UFC champions
Usyk crowned unified cruiserweight champion at World Boxing Super Series - Xinhua | English.news.cn
Moscow, Russia. 21st July, 2018. MOSCOW, RUSSIA - JULY 21, 2018: WBC/WBO champion Oleksandr Usyk (L) of Ukraine, and WBA/IBF champion Murat Gassiev of Russia, in their WBSS (World Boxing Super Series)
Gassiev knocked out Dorticos and is the new WBA Cruiserweight Champion – World Boxing Association
Tony Bellew's final fight ends in brave defeat as Oleksandr Usyk claims stunning eighth-round knockout win
Octuple champion - Wikipedia
Moscow, Russia. 21st July, 2018. MOSCOW, RUSSIA - JULY 21, 2018: WBA/IBF champion Murat Gassiev (L) of Russia, and WBC/WBO champion Oleksandr Usyk of Ukraine, in their WBSS (World Boxing Super Series)
Usyk crowned unified cruiserweight champion at World Boxing Super Series - Xinhua | English.news.cn
Cruiserweight champion Oleksandr Usyk signs for Matchroom Boxing, making Tony Bellew fight likely
George Groves – Boxer of the month February-2018 – World Boxing Association
Current Boxing World Champions (December 2018)
Bellew: I Punch Harder Than Fury, He's Fighting a Cruiserweight - Boxing News
Boxing: Kovalev stops Mikhalkin to defend light heavyweight title - The Malta Independent
The eight great Cruiserweight contenders and match-ups for Season II's Muhammad Ali Trophy | World Boxing Super Series
Ranking The Ten Greatest Cruiserweights In Boxing History — Boxing News
Moscow, Russia. 21st July, 2018. MOSCOW, RUSSIA - JULY 21, 2018: WBA/IBF champion Murat Gassiev (L) of Russia, and WBC/WBO champion Oleksandr Usyk of Ukraine, in their WBSS (World Boxing Super Series)
