Tommy Fury has labelled influencer KSI ‘classless’ after the YouTuber spat gum at his dad John Fury. Boxer Tommy, 24, is taking on KSI in a fight in Manchester on Saturday, 14 October – aiming to follow up on his victory over Jake Paul – another YouTube influencer.Tommy and KSI took part in a promotional open workout on Wednesday night ahead of this weekend's showdown but tensions between the two camps spilled over as the influencer traded insults with Tommy’s dad. John Fury threw a plastic bottle at KSI, who stood on a balcony above.