Anthony Joshua faces the latest acid test in his heavyweight career on Saturday night.
Joshua faces former cruiserweight king Oleksandr Usyk in a massive fight in London.
The Englishman defends his WBA, WBO, IBF and IBO belts against the Ukrainian at the Tottenham Hotspur Arena.
If he wins it could potentially set up a huge showdown with Tyson Fury.
Here's more info on the fight and how to watch it:
When and where is the fight?
Joshua us Usyk is at the Tottenham Hotspur Arena in London on Saturday, September 25.
What time are the ring walks expected?
The main event is expected to start around 10pm.
What TV channel is it on?
The fight is being shown on Sky Sports Box Office for a cost of £24.95 in the UK.
Anthony Joshua (Image: PA)
Can I live stream it?
Subscribers who purchase the fight can stream it on the Sky Go app.
Full fight card
- Anthony Joshua v Oleksandr Usyk - WBA, WBO, IBF and IBO Heavyweight titles
- Lawrence Okolie v Dilan Prasovic - WBO Cruiserweight Title
- Callum Smith v Lenin Castillo - Light-Heavyweight
- Campbell Hatton v Izan Dura - Super-Featherweight
- Florian Marku v Maxim Prodan - Welterweight
- Christopher Ousley v Khasan Baysangurov - Middleweight
- Daniel Lapin v Pawel Martyniuk - Light-Heavyweight
Betting odds
- Joshua 2/5
- Usyk 2/1
- Draw 25/1
