A man has been charged with killing American footballer Adrian Peterson's young son.

The sportsman's two-year-old boy, who has not been named, passed away on 11 October (13) following an alleged assault.

Joseph Patterson, 27, has now been charged with one count of second degree murder and two counts of first degree manslaughter, as well as aggravated battery of an infant and felony child abuse, according to Tmz.com.

Reports suggest Patterson was the boyfriend of the child's mother.