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 was the head coach at UCLA. And after leading the Bruins to an 8-5 record and a win over Boise State in the LA Bowl, the university had planned to have him back. But Kelly had other ideas.

Chip Kelly was introduced as the Raiders' offensive coordinator Wednesday. Here's what he said about his time with Ohio State football and coach Ryan Day.