Minnesota Vikings owner: 'We made a mistake' with Peterson Author:SI StaffPublish date:Sep 17, 2014MINNEAPOLIS (AP) Minnesota Vikings owner: `We made a mistake' with Peterson.Latest NFL NewsCowboys Lose Fowler to Commanders: Free Agency TrackerSeahawks Likely Bargain Shopping After Signing Leonard Williams, Noah FantReport: Bengals Getting Late-Round Pick For Joe MixonCowboys' Fowler Jr. Signs with CommandersWill Kyle Juszczyk Agree to Take a Pay Cut for the 49ers?