KSI is said to have offered his sparring partners a cash reward if they can land a KO on him.
The YouTuber-turned-boxer is set to face off against Tommy Fury this Saturday at the AO Arena in Manchester, as both fighters put their undefeated records on the line.
Fury, 24, has already beaten long-time foe of KSI Jake Paul earlier this year and is now looking for yet another seemingly routine win.
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But it's Sidemen member JJ who is seemingly taking his training to the next level this time around, having been reported to be offering lump sums of cash to anyone who can knock him out.
Having already beaten the likes of Joe Weller, Logan Paul and Joe Fournier, it seems KSI is putting everything and more into his preparation for this bout.
His most recently uploaded YouTube video shows the extreme levels he is reaching in training, often performing until he cannot stand no more.
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This was no more apparent as London Shootfighters head coach Alexis Demetriades recently revealed: "From where he was at when he first came to where he is now, he’s come on leaps and bounds.
"He’s only sparring professional boxers, this whole camp, forget MMA fighters, forget amateurs.
"He’s sparring guys 14-0, 13-0, 12-2, 8-0, 6-0, all with knockouts and all ranked by the British Boxing Board of Control.
“If they think that we’re not taking this seriously, we’ve got guys who are ranked higher than Tommy Fury in the gym.
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"And they’re not just moving around, they’re trying to kill JJ and there’s bonus money on the table for them to knock him out.
“From a coaching point of view, all I want to do is put the correct guys in front on KSI and see whether or not he can deal with that and if he can’t then he shouldn’t be fighting.”
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Featured Image Credit: GettyTopics: KSI, Tommy Fury, Boxing