On Saturday, head coach Lincoln Riley completed another big ... he was the defensive coordinator for the Oakland Raiders, Cleveland Browns, Dallas Cowboys and New Orleans Saints.

In a press release distributed by USC, Trojans coach Lincoln Riley spoke to Ryan's extensive ... defensive coordinator for the Raiders, Cleveland Browns, Dallas Cowboys, and New Orleans Saints.

ESPN's Dan Graziano reported that there is buzz around the league that the Cowboys could look toward some of the top college football coaches, including the USC Trojans' Lincoln Riley. " ...

USC head coach Lincoln Riley announced the addition to ... Ryan was the defensive coordinator of the Oakland Raiders (2004-08), Cleveland Browns (2009-10), Dallas Cowboys (2011-12) and New Orleans ...