Chip Kelly is returning to the NFL to become the Las Vegas Raiders' offensive coordinator under new head coach Pete Carroll, sources told ESPN's Adam Schefter and Pete Thamel.

Ryan Day's mentor came to Ohio State to help him win a national title. Now he leaves him to return to the NFL.

The Ohio State Buckeyes lost defensive coordinator Jim Knowles to the Penn State Nittany Lions. Now, they have lost offensive coordinator Chip Kelly as well. Rumors have been swirling about Kelly's future.

Sources tell FootballScoop that after helping lead Ryan Day and Ohio State to the national title, Kelly is headed to Las Vegas to be the new offensive coordinator for Pete Carroll

After three seasons, Justin Frye is leaving for the NFL. He’s headed to the Arizona Cardinals as their new offensive line coach, reuniting with Paris Johnson. Frye joins former defensive coordinator Jim Knowles — now at Penn State — as assistant coaches to leave this offseason.