Cezary Oleksiejczuk vs Theo Haig – A Fight That Could Open the Door to the UFC

On September 2, 2025, Las Vegas will host Dana White’s Contender Series, where our brand ambassador Cezary Oleksiejczuk will step into the cage. Standing across from him will be the undefeated Theo Haig. The stakes are higher than ever – this is more than just a fight; it’s a chance to earn a contract with the biggest MMA organization in the world.

Cezary Oleksiejczuk – Experience and Versatility

Cezary Oleksiejczuk (record 15-3-0) is a fighter well-known to Polish MMA fans. His career is proof that consistency, hard work, and talent can take you to the very top. Standing at 191 cm (6’3”) tall, with an impressive reach of 201 cm (79”), Cezary is extremely effective at long range, but equally dangerous in close exchanges and on the ground.

So far, he has claimed 8 victories by knockout or technical knockout, 2 wins by submission, and the rest by decision – a testament to his fight IQ and ability to control the pace. Over his career, he has captured championship belts in organizations such as FEN and AFC, successfully defending them on multiple occasions.

Cezary is the type of fighter who enters the cage with one goal – to win in spectacular fashion.

Theo Haig – An Undefeated Submission Specialist

His opponent, Theo Haig (record 6-0-0), is a competitor who has never tasted defeat. Every single one of his victories has come by way of submission, proving his elite grappling skills.

Standing 188 cm (6’2”) tall with a reach of 192 cm (75.5”), Haig trains at the renowned American Kickboxing Academy, a gym that has produced numerous UFC champions. Inside the cage, he is relentless – once the fight hits the mat, he quickly finds a way to finish his opponent.

Clash of Styles – What Could Decide the Outcome?

This bout promises a classic clash of styles:

• Cezary will aim to use his reach and striking to keep the fight standing, breaking down his opponent with precise shots and avoiding the ground at all costs.

• Theo will look to close the distance, force a clinch, and bring the fight to the mat, where his submission game can shine.

The result may come down to who can impose their strategy from the opening seconds.

Why You Should Watch This Fight

• High stakes – winning at the Contender Series could mean a UFC contract.

• A Polish presence in Las Vegas – Cezary Oleksiejczuk is among the best MMA fighters from Poland.

• Guaranteed excitement – a versatile striker facing a submission master is a recipe for a fight that could end in an instant.

When and Where?

• Date: September 2, 2025

• Venue: UFC Apex, Las Vegas, Nevada

• The fight will be broadcast on sports platforms covering UFC events – check your local listings and prepare for a night full of adrenaline.

Final Thoughts

For Cezary Oleksiejczuk, this bout could be the turning point of his career. A victory would put him on the path to the top of the global MMA scene and help him write a new chapter in the history of Polish mixed martial arts. For fans, it’s a chance to witness a fighter chase his dream on one of the sport’s biggest stages.

At Środowisko Miejskie, we are proud to have Cezary as our ambassador. We’re rooting for his success and encourage everyone to support him!

Special bonus for fans – use the code Czarek10 for 10% off all purchases in our store.