“In the NFL, though, Carroll has had the upper hand over Harbaugh (6-5), especially in their most recent battles,” Moton wrote. “Though the Chargers are coming off a year in which they clinched a playoff berth with an 11-6 record, Harbaugh probably isn't thrilled to see Carroll back in his conference and division.”

Pete Carroll will turn 74 in September when he embarks on his first season as head coach of the Raiders.

The culture king is back in the NFL. And, oh boy, does he have his work cut out for him. Arguably no NFL head coach has done a better job in the past couple of decades of creating a culture, a vibe, an attitude in and round his team than what Pete Carroll created during his 14 seasons with the Seattle Seahawks.