Adrian Peterson charged and turns himself in

Minnesota Vikings star running back Adrian Peterson has reportedly been charged with reckless or negligent injury to a child, according to Mark Berman of Fox 26 in Houston.The charge has also been reported by Jay Glazer of Fox who adds that Peterson is cooperating and has turned himself into custody.According to Ian Rapoport of the NFL Network, the charge stems from an incident in which Peterson disciplined his son with a branch.Rapoport adds that the investigation has been going on for a while and that Peterson testified before a grand jury "weeks ago."According to TMZ, Child Protective Services is involved in a case with Peterson and "an 11-year-old boy," although it is not confirmed if this is the same child.