Ex-UFC Fighter Jairzinho Rozenstruik Charged with Allegedly Biting Partner

Ex-UFC fighter Jairzinho Rozenstruik has been formally charged after being accused of domestic violence, including an alleged biting incident. His arrest occurred on January 19 in Pembroke Pines, Florida, when police responded to a report of a suspicious incident.

Details of the Arrest

Rozenstruik was taken into custody and faces multiple charges pertaining to domestic violence. These charges include:

• A third-degree felony for false imprisonment, with a bond set at $2,500.
• A misdemeanor charge for touch or strike/battery/domestic violence, with a bond of $1,000.

Additionally, an immigration hold was placed on him for 48 hours starting January 20.

Incident Overview

According to the police report, officers initially received a call regarding a suspicious incident that turned out to be a domestic altercation. Rozenstruik’s partner, whose identity remains undisclosed, reported that a disagreement escalated while they were driving.

During the argument, the alleged victim stated that Rozenstruik attempted to slap her hand, causing her cell phone to fall. When she attempted to leave the vehicle, Rozenstruik allegedly prevented her from doing so by grabbing her arm.

Allegations of Battery

The situation intensified when the alleged victim asserted that Rozenstruik bit her on the right bicep against her will. After multiple confrontations, she claimed to have punched him in self-defense, which allowed her to escape the situation.

Following the altercation, police noted visible injuries on the alleged victim, including:

• A bite mark on her right bicep
• Redness on both forearms
• A red scratch/bruise under her right eye

Police Findings

Rozenstruik was described as uncooperative during the investigation. The police report indicated that he changed his account of the events multiple times and did not provide complete information.

The officials concluded that there was probable cause to believe Rozenstruik was the primary aggressor in the domestic incident, leading to his arrest without incident.

Background on Jairzinho Rozenstruik

Jairzinho Rozenstruik, 37, had a notable career in the UFC, where he was a top-ranking heavyweight. He achieved significant victories against prominent fighters like Andrei Arlovski and Alistair Overeem. His tenure in the UFC concluded in 2025 after a mixed performance, leading him to join Mike Perry’s Dirty Boxing promotion where he later earned the heavyweight championship title.