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.

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'

Kelly, 61, is reportedly becoming the highest-paid offensive coordinator in NFL history at $6 million a year. The Raiders will mark his third stop in the NFL and his first as an OC.