Kosei Tanaka faces Christian Bacasegua on Saturday in Tokyo, Japan, as the pair battle for the vacant WBO junior bantamweight title.
After the pair settle their rivalry, there are two more title fights to come in a huge night of action.
Fans in the UK and USA will need to keep in mind that for them, the action will be on Saturday morning because of time differences.
Here's everything you need to know ahead of Tanaka vs. Bacasegua.
The card is set to start at 4 am ET / 9 am UK time with the main event due at approximately 6 am ET / 11 am UK time, so Christian Bacasegua, will likely make his ringwalk around 4 am ET / 9 am UK time. However, the timings of the fight could change depending on the length of fights on the undercard.
The fight will be shown live on ESPN+ in the US (click here for more details). There is no confirmed broadcaster for the UK at the time of writing.
The fight will take place at Kokugikan in Tokyo, Japan.
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