Adrian Peterson, 37, is set to box Le'Veon Bell but he really wants to play in NFL again - The Boston Globe
Minnesota Vikings decline option on all-time leading rusher Adrian Peterson, Minnesota Vikings
Governor and Sponsors Voice Concerns With N.F.L. - The New York Times
In effort to return to action, Adrian Peterson races against time - NBC Sports
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Adrian Peterson remains steadfast in his desire to continue playing: 'I'm looking for a contender'
Vikings' Adrian Peterson is as strong and fast as ever
Minnesota Vikings reverse course, place Adrian Peterson on NFL exempt list … but star RB to still receive full $11.75M salary – New York Daily News