Authorities claim Patrick Mahomes' father was driving around with an open can of beer in his car before he was arrested for DWI on Saturday night.
The allegation is spelled out in an arrest affidavit from the Smith County Sheriff’s Office ... according to the New York Post.
The outlet reported Monday that in the docs, an officer wrote Mahomes Sr. was found with an open, 16-ounce Coors beverage in his center console after he was pulled over around 8:30 PM in Tyler, Texas.