On a card also including an increasingly bitter bout between Logan Paul and Dillon Danis, Fury looks to follow up his win over Jake Paul in February with another victory against a YouTube star.
It is another step up in class for KSI, who has shown little fear of ‘TNT’ despite his professional boxing career.
Here’s everything you need to know about where to watch the action.
How to watch KSI vs Tommy Fury
TV channel: The entire card will be shown live on sports streaming service DAZN, via their pay-per-view service at a cost of £19.99 in the UK.
Live stream: Fight fans will be able to access a live stream online via the DAZN app and website, once they have purchased the event.
Live blog: Follow all the action on Saturday night with Standard Sport’s dedicated fight blog.
