Chip Kelly said the opportunity to finally work alongside new Raiders head coach Pete Carroll after the pair had orbited each other as adversaries in previous jobs was a chief reason for his return to the NFL.

Chip Kelly said leaving Ohio State to become the Las Vegas Raiders' offensive coordinator allowed him to return to the highest-level of the sport.

After eight years away from the NFL, Chip Kelly is back. Kelly was hired by the Las Vegas Raiders to be their offensive coordinator under new head coach Pete Carroll, CBS Sports'