Steelers seek permission to speak to Tomlin

The Pittsburgh Steelers have asked the Vikings permission to speak to defensive coordinator Mike Tomlin.
The Miami Dolphins sought and were granted permission to speak to Tomlin on Friday.
The Steelers were scheduled to interview Chicago Bears defensive coordinator Ron Rivera this weekend, according to the Pittsburgh Post-Gazette.
The paper also reported that offensive coordinator Ken Whisenhunt will interview Tuesday and assistant head coach Russ Grimm will interview Monday.