"The Oakland Raiders were denied permission to interview Dallas Cowboys special teams coordinator Joe DeCamillis for an assistant head coaching position, according to a source.

Cowboys assistant coaches are unavailable to speak with the media during the offseason.

Recently hired Raiders coach Dennis Allen worked with DeCamillis in Atlanta from 2002-to-2005 where a good relationship formed. Dan Reeves, DeCamillis' father-in-law, was the head coach with the Falcons at that time.

"Dan Reeves is another guy that, he brought me into this league and gave me my first opportunity to coach in the National Football League," Allen said at his introductory news conference with the Raiders regarding mentors of his. "So I've got some great resources that I can rely on and lean on in times when I hit a situation where I need some help." "