Nine years after sharing an Olympic stage in London, England, unified Heavyweight boxing champion Anthony Joshua and former undisputed Cruiserweight roost ruler, Oleksandr Usyk, will duke it out inside Tottenham Hotspur Arena for three of the four major titles.

MMAmania.com will deliver LIVE coverage of today’s main event below. The DAZN broadcast (watch it here) kicks off at 1 p.m. ET, with Joshua and Usyk likely making the walk closer to 5 p.m. ET.

In addition to claiming the WBO, IBF and WBA “Super” titles, whoever wins the main event will most likely move on to an undisputed title fight with either Tyson Fury or Deontay Wilder. It’s no exaggeration to call this one of the most important Heavyweight bouts of 2021.

In other championship action, Lawrence Okolie defends his WBO cruiserweight belt against mandatory challenger Dilan Prasovic, while former WBA Super Middleweight Champion Callum Smith tries his hand at Light Heavyweight against Lenin Castillo.

Joshua Vs. Usyk Quick Results:

Anthony Joshua vs. Oleksandr Usyk
Lawrence Okolie vs. Dilan Prasovic
Callum Smith vs. Lenin Castillo
Maxim Prodan vs. Florian Marku
Christopher Ousley vs. Khasan Baysangurov
Campbell Hatton vs. Izan Dura

Joshua Vs. Usyk Round-By-Round Updates:

WBO/IBF/WBA “Super” Heavyweight Championship: Anthony Joshua vs. Oleksandr Usyk

Round one:

Round two:

Round three:

Round four:

Round five:

Round six:

Round seven:

Round eight:

Round nine:

Round ten:

Round eleven:

Round twelve:

Final result:

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