The NFL has seen a resurgence from the running back position in recent years, with elite ball carriers once again becoming the focal point of top offenses.

NFL training camps are officially underway, with the Seattle Seahawks kicking things off Friday and the rest of the league following close behind over the next couple of weeks.

The Kansas City Chiefs cornerback room may not have many questions at the top of the depth chart, but the battle at the bottom could be one of the most competitive position fights in training camp.