Is Adrian Peterson still playing football?
N.F.L. to Reinstate Vikings' Adrian Peterson - The New York Times
Adrian Peterson a free agent after 10 years with Vikings
Vikings place Adrian Peterson on exempt list, Sports
RB Adrian Peterson a free agent after 10 years with Vikings
Adrian Peterson's 2017 option not taken up by Minnesota Vikings
NFL 100: At No. 72, Adrian Peterson was always one play away from
Minnesota Vikings search for Adrian Peterson replacement at NFL
Adrian Peterson, Biography & Accomplishments
Adrian Peterson wants to 'stick it' to the Vikings and every team