Cleveland Browns rookie Michael Hall Jr. was arrested on Tuesday morning ... after he reportedly put a gun to his fiancée's head during a domestic dispute on Monday.
The defensive lineman -- who was just picked in the second round of the 2024 NFL Draft -- was involved in the altercation at around 10 PM in Avon, Ohio ... this according to the incident report obtained by the The Chronicle-Telegram.
The outlet reports cops were called to the scene after the mom of Hall's fiancée alleged the 21-year-old football player roughed her daughter up and hit her with a baby bottle amid an argument.