The UFC’s first live event on Versus, Ultimate Fight Night 21 on March 21st looks like it’s well on it’s way to being a stacked card. We already know that it will be headlined by Jon Jones Vs Brandon Vera, backed up by a co-main event featuring Junior Dos Santos and Gabe Gonzaga.

Now fightersonly have suggested that the latest winner of The Ultimate Fighter reality show, Roy Nelson (6ft / 265lbs), is set to be matched with up and coming heavyweight prospect Stefan Struve (6ft 11″ / 247lbs).

Nelson is of course a veteran of the sport with a record of 14-4, his latest victory coming in his official octagon debut against Brendan Schaub to become the TUF 10 winner.

Struve failed to impress in his UFC debut against Junior Dos Santos, losing in under a minute, but the 21 year old has since shown himself to have promise thanks to three back-to-back wins, with the latest being a decision win over another veteran, Paul Buentello.

It’s a step up in competition for Nelson compared to the fighters he fought on the reality show, but it’s still a fight he will believe he can win.

Struve has found most success with his submissions so far in his career, but he’ll find that tough to implement against Nelson, a BJJ black belt who has competed at the prestigious ADCC event. Nelson’s heavy hands will also be a concern for the Dutch fighter, who will look to use his superior reach to his advantage.

‘The Skyscraper’ is still a work in progress this early in his career though, learning and improving on his skill-set with every fight, and if he could defeat ‘Big Country’ it would be a major boost for his career.

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In other UFN 21 news, a heavily rumored fight between Clay Guida and Sean Sherk has been scrapped according to the fiveouncesofpain site.

It’s disappointing as it would have been an interesting encounter between two of the lightweight divisions most relentless competitors. Instead mmajunkie are now reporting that Shannon Gugerty will now replace Sherk instead.

12-4 in his mixed martial arts career, Gugerty is currently 2-2 in the UFC and is coming off a loss to Terry Etim at UFC 105. Guida is also looking to get back to winning ways after losing to Kenny Florian in December at UFC 107,leaving the fan favorite’s UFC record at 5-5.

Rumored UFC On Versus Card So Far (Note: Some of these bouts are still to be officially confirmed):