Viddal Riley's journey in boxing is a testament to resilience and self-belief. Once known primarily as the trainer behind YouTube sensation KSI, Riley has steadily carved out his own legacy in the ring. On Saturday, the unbeaten Londoner defends his European cruiserweight title against France's Seydi Coupe at Wembley Arena, with a world title shot looming on the horizon.

From Trainer to Contender

Riley's association with KSI brought him mainstream attention, but it also threatened to overshadow his own ambitions. "I didn't do all that hard work from such a young age to just be known as a trainer of a famous person," he told BBC Sport. "I can't push away something that's part of my story. I just wanted to make sure that's not the only thing I'm known as and I've managed to do that."

Indeed, Riley's credentials are impressive. He first laced up gloves at age six, was a national champion by 11, and amassed eight amateur titles while representing Team GB and captaining England. As a professional, he has won all 14 fights, with seven knockouts, and has claimed English, British, and European titles.

Proving the Doubters Wrong

Despite his achievements, the influencer tag has been hard to shake. "I'm pretty much giving up on trying to convince a purist of what I am," he admits. "If you can't read facts and figures to convince yourself, then you're in your own world."

His victory over Cheavon Clarke last year, which earned him the British cruiserweight title, was a statement. Clarke's recent stoppage of former world champion Chris Billam-Smith only enhances the significance of Riley's win. "Some things take time to mature," Riley says. "It allows people to understand the level that I am and my capabilities."

A Global Odyssey

Riley's path has been anything but conventional. His professional debut took place in Tijuana, Mexico, in 2018, and he didn't fight in Britain until his fifth bout. A stint as KSI's trainer in Las Vegas opened doors when he impressed Mayweather Promotions, leading to a contract. "I took it as an opportunity to showcase my abilities even though I was there as his trainer," he recalls.

There were moments of doubt, though. "Seeing how they were living and how I could not be the one in danger and still make a good life for myself, it does make you second guess," he says. But Riley's desire to compete outweighed the comfort of a cornerman's life.

Building a Brand and a Career

Working with KSI also taught Riley how to handle media scrutiny and build a following. He now boasts around 1.2 million YouTube subscribers. "It got me accustomed to being in the limelight," he says. "Ready for the attention to be on me on a big stage."

After his initial deal with Mayweather Promotions, Riley signed with Boxxer, where he won the English and British titles. His recent move to MF Pro, a professional venture affiliated with KSI's Misfits, raised eyebrows, but Riley was keen to clarify his position. "Are you going to make this clear that I'm not joining Misfits Boxing?" he asked. "I haven't done all of this hard work to then sign a professional contract that's going to drag me back into what I've worked so hard to differentiate myself from."

He insists he had offers from "basically all promoters" but chose MF Pro because they appreciated both his boxing and his audience. Assurances that he could continue pursuing a world title made the decision easy.

The Road to a World Title

Riley's victory over Mateusz Masternak secured him an IBF mandatory position, with a bout against New Zealand's David Nyika for the vacant title on the cards. However, those plans are on hold due to former champion Jai Opetaia's legal dispute with the IBF. Opetaia was stripped of the title after fighting Brandon Glanton without approval and is now challenging that decision while also moving up to heavyweight to face Deontay Wilder.

"It's messy up there right now, but I'm trying to get in the mess," Riley says. Rather than wait, he is defending his European belt against Coupe, who is also unbeaten in 14 fights. Riley refuses to look past Saturday. "I'm just hyper-focused on Saturday. I can't go past Saturday," he says. "In my mind, the world ends on Saturday."

One name, however, makes him dream of the future: Oleksandr Usyk. The Ukrainian great is considering a return to cruiserweight, and Riley would relish the challenge. "Much respect to him - he's a legend," Riley says. "But to be able to step in the ring with him and battle, that will be sick."

For now, Riley remains focused on the task at hand, determined to prove that he is more than just a trainer to a famous YouTuber. He is a world title contender in his own right, and Saturday is another step on that journey.