Foster's agent confirmed the news to NFL Network Insider Ian Rapoport. A source added to Rapoport that Foster's retirement is effective immediately. Jay Ajayi has taken over the Dolphins RB job as Foster was trying to come back from a hamstring injury. Looks like Damien Williams and Kenyan Drake will move up on the depth chart.
Dolphins RB Arian Foster announces retirement
Filed Under: 2016, W8