Sergey Spivak The Polar Bear

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Fighter bio

Serghei Spivac – General Profile

Serghei "The Polar Bear" Spivac is a Moldovan heavyweight mixed martial artist competing in the UFC. Known for his grappling-heavy approach and calm demeanor, Spivac has steadily climbed the heavyweight ranks with a mix of submission skills, wrestling, and physical strength. He is one of the few Eastern European heavyweights making a significant impact in the UFC.

Born on January 24, 1995, in Chișinău, Moldova, Spivac began training in martial arts at a young age and has since developed into a dangerous and calculated force in the Octagon.

MMA Career

Spivac made his UFC debut in 2019 at just 24 years old, facing a tough assignment in Walt Harris. Although he lost that fight, he quickly bounced back with a submission win over Tai Tuivasa and began building momentum in the division.

He has earned victories over the likes of Derrick Lewis, Augusto Sakai, Jared Vanderaa, and Greg Hardy. His dominant win over Lewis in 2023 showcased his ability to control and finish high-level opponents with takedowns and ground-and-pound.

Though he’s faced setbacks against elite opponents like Tom Aspinall, Spivac remains a legitimate top-10 contender and a stylistic problem for many strikers in the division.

Personal Life

Spivac is a private and humble individual who prefers to let his performances speak for themselves. He represents Moldova with pride and is one of the most successful fighters to come out of the country. He trains at a variety of gyms across Europe, constantly seeking to improve his wrestling, submissions, and striking fundamentals.

Nicknamed "The Polar Bear" for his size and grappling style, Spivac embraces a calm, methodical approach both inside and outside the cage.

Fighting Style

Spivac is a grappler at heart. He utilizes effective takedowns, clinch work, and positional control to dominate opponents on the ground. Once he establishes top position, he excels at ground-and-pound and looks for submissions, particularly armbars and chokes.

While his striking is serviceable, his main strength lies in his ability to neutralize heavy hitters by taking them off their feet and wearing them down. His conditioning, patience, and technical awareness make him a formidable opponent in the heavyweight division.

Recent Developments

As of 2025, Spivac remains a top contender in the UFC’s heavyweight rankings. He continues to evolve as a fighter and is frequently mentioned in discussions surrounding title contention, especially against strikers who struggle with takedown defense.

With his youth, work ethic, and grappling foundation, Serghei Spivac is positioned to be a major player in the heavyweight division for years to come.