The Raiders have found their new head coach. But it will take at least another week before they can make it official. According to multiple sources with knowledge of the situation, Seahawks offensive coordinator Klint Kubiak is hopeful of working out a contract to take over the Silver and Black. Kubiak’s involvement in Super Bowl 60 prevents him and the club from finalizing the deal. The 38-year-old Kubiak, who helped oversee the third-best offense in the NFL this year while getting a signature