The AFC West underwent a dramatic shakeup on Friday with the arrival of Pete Carroll as Las Vegas Raiders head coach – rekindling his longstanding rivalry with Los Angeles Chargers head coach Jim Harbaugh in the process.

An old clip of supposed tension between Pete Carroll and Jim Harbaugh resurfaces after the Raiders hire Carroll as their next head coach.

“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.

Pete Carroll, Andy Reid, Sean Payton, and Jim Harbaugh are all coaching in the same division. It’s hard to comprehend how great the four coaches are.

Pete Carroll is back. One year removed from being run outta town as the head man of the Seattle Seahawks, the peppy coach nicknamed "Big Balls Pete" is headed back to an NFL sideline as the new sheriff of the Las Vegas 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.

The Denver Broncos lost one assistant to the Chicago Bears, and have now lost another to Dan Campbell and the Detroit Lions. John Morton is back to Detroit.

The AFC West was probably already the best-coached division going into this weekend. But it just got more star power with the Raiders hire of Pete Carroll. Carroll brings 18 years of head coaching experience to a Las Vegas franchise which has been down in the dumps.

Former USC Trojans coach Pete Carroll is the new coach for the Las Vegas Raiders. Earlier this week, Carroll and the Raiders agreed on a three-year contract wit

We’re tracking all the latest coaching and staff developments with news, notes and nuggets from the search — and what comes next.