Son of former Bears RB Adrian Peterson dies of brain cancer

The son of former Chicago Bears running back Adrian Peterson, A.J. Peterson, has died of brain cancer.

The son of former Chicago Bears running back Adrian Peterson, A.J. Peterson, has died of brain cancer, the team announced on Tuesday. Peterson is a former NFL player, not to be confused with Minnesota Vikings running back Adrian Peterson of the same name. 

A.J. was diagnosed with an inoperable brainstem tumor known as Diffuse Intrinsic Pontine Glioma (DIPG) last June, when he was six years old. 

Peterson and his wife, Angela, said on a GoFundMe page started in June that doctors gave A.J. a prognosis of a five to nine percent survival rate.

Last month, A.J. was sworn in as an honorary Round Lake Police officer in partnership with the Make-A-Wish Foundation, according to the Chicago Tribune. He was the oldest of the Peterson' four children.

Sending deepest condolences to former #Bears RB Adrian Peterson & family on passing of his young son A.J., who lost battle w/ brain cancer.

— Chicago Bears (@ChicagoBears) February 17, 2015

Peterson played for the Bears from 2002 through 2009.

- Molly Geary