Chael Sonnen was detained by police following a brawl in a Las Vegas hotel on Saturday (December 18).
Police reportedly responded to a call from the Four Seasons at approximately 7pm. A witness claims that they saw Sonnen banging on a hotel room door when a couple passed by and a physical altercation suddenly broke out.
Though Sonnen supposedly avoided arrest as police did not witness the attack, an investigation is ongoing.
The 44-year-old fighter retired from the MMA in 2019, following his final bout against Lyoto Machida.