Adam Schefter answers readers' questions nearly every day in his blog. On Thursday, Adam turns his attention to Sunday's rivalry game between the Minnesota Vikings (9-1) and the Chicago Bears (4-6). Have a query of your own? Submit it here.
Q: I got in an argument the other day with my friend -- a diehard Vikings fan -- who says that Adrian Peterson is already a better running back than Walter Payton. Is that not an absolute blasphemy?
-- Chuck (Chicago)
To read Adam's thoughts on the Adrian Peterson-Walter Payton comparison, plus why Chicago is such a quarterback wasteland and what would become of the Vikings should Brett Favre leave next season, you must be an ESPN Insider.