You don't need to be told that Adrian Peterson is a great running back, nor do you need to be reminded that he's a valuable fantasy football asset. He followed up his league-leading NEP performance in 2012 with a sixth-place finish (among backs with 200 carries or more) in 2013.And with a new offensive coordinator and the possibility of a new quarterback, Peterson remains as the best option to help get the Vikings back on track offensively after some ups and downs last season. He's getting a bit older, but injury and workload have never seemed to slow him down in the past, so let's hold off on the "He's too old!" talk and just enjoy another year of Peterson doing what he does best.