Adrian Peterson is staring 30 years old right in the face, and he knows the stigma that number carries for NFL running backs. Peterson turns 30 next March, meaning that he is about to start his final season in his 20s. Just like the torn ACL that threatened his career three years ago, Peterson is unfazed by the road block looming in the not-to-distant future. ''The same thing I thought when they say ACL, you'll never come back from it,'' Peterson said on Thursday after the Minnesota Vikings concluded a three-day minicamp. More...