Marcin Tybura vs Serghei Spivac — Fight recap

Serghei Spivac submitted Marcin Tybura via submission in the first round at 1:44 on August 10, 2024, with referee Herb Dean officiating. Spivac dominated the opening minute, landing 3 of 5 significant strikes (60%) while Tybura managed just 0 of 4 (0%).

The decisive moment came when Spivac secured a takedown—his only attempt of the fight—and immediately converted it into a submission finish. Control time heavily favored Spivac at 34 seconds to Tybura's 43 seconds of cage control, though the latter's striking proved ineffective throughout.

Spivac's clinch-to-grappling transition showcased the gap in technical execution between the two heavyweights. This victory solidifies Spivac's position in the heavyweight rankings and raises questions about Tybura's path forward in the division.