Brett Favre: Keep kids out of tackle football until age 14

Legendary NFL quarterback Brett Favre is urging parents to keep their children out of tackle football until high school because of the risks of CTE.

A public-service announcement starring Favre on behalf of the Concussion Legacy Foundation was released Tuesday.

It shows a young boy, wearing a green jersey with Favre's No. 4, telling his parents what he learned about CTE and telling them not to let him play tackle footba