C.J. McMahon -- a decorated horse racing jockey -- was arrested and booked over the weekend for attempted murder, according to officials in Lafayette, Louisiana.
Officials are not revealing specifics about the case -- in fact, one official told TMZ Sports the case is sealed. But Lafayette Parish Sheriff's Office records show the 26-year-old was booked on 1 count of attempted 2nd degree murder.
McMahon -- who won the Oklahoma Derby in 2016 -- was also booked on a weapons charge and a drug possession charge.
A note in the Lafayette Parish Sheriff's Office booking records says, "Subject was arrested after traffic stop and drugs were found, also an active warrant.