More legal trouble for Adam "Pacman" Jones ... the ex-NFL star was arrested again Monday morning after he allegedly beat a person unconscious.
Jail records show Jones was booked at 1:54 AM ET in Hamilton County, Ohio ... with court records revealing the 37-year-old was formally charged with one count of misdemeanor assault.
Details surrounding the incident are unclear ... we're working on it -- but according to court docs obtained by WCPO, Jones is accused of punching and kicking somebody in the head until they were knocked out.