EDEN PRAIRIE, Minn. — Star running back Adrian Peterson returned to the Minnesota Vikings on Monday, insisting he is not a child abuser and wanting "everyone to understand how sorry I feel about the hurt I have brought to my child" after he was charged with a felony in Texas for using a wooden switch to spank his 4-year-old son. The Vikings had benched Peterson for Sunday's 30-7 home loss to the New England and he had not commented publicly since news broke Friday that he had lashed the boy with the switch earlier this summer, causing an unspecified injuries. "I am not a perfect son.