Conor McGregor, former UFC champion in two weight classes, has taken 12 doping tests in the last five months.
According to Oxu.Az, this information was shared on "Championship Rounds" X account.
McGregor's next fight is scheduled for July 12. He will face Max Holloway at UFC 329 in Las Vegas, Nevada.
Last year's most tested fighter was 35-year-old Merab Dvalishvili, a former UFC champion from Georgia, who took 14 tests throughout the year.
The Irishman has not fought under MMA rules since July 2021, when he lost to Dustin Poirier by technical knockout (leg injury) in the first round at UFC 264.
His professional record stands at 22 wins and 6 losses.
