According to Ian Rapoport, the Cowboys have officially chosen current Saints linebackers coach Mike Nolan to be their defensive coordinator under Mike McCarthy. Nolan has history with McCarthy, he hired McCarthy as the offensive coordinator for the 49ers in 2005 when he was the head coach.
The #Cowboys new defensive coordinator is going to be Mike Nolan, which also leaves the #Saints with a key spot to fill on their D, too. https://t.co/EbSqDLQQYm
— Ian Rapoport (@RapSheet) January 6, 2020
Nolan has been coaching since 1981 and brings with him 17 years of experience as a defensive coordinator, as well as four years as a head coach in San Francisco.