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.

The Raiders were among the front-runners to land Detroit Lions offensive coordinator Ben Johnson, but had to pivot when Johnson took over in Chicago. Here's a look at how the NFL world reacted to that pivot, and the hiring of Carroll:

Carroll has one Super Bowl title as a head coach from the 2013 season, and one of his new bosses helped prevent him from getting a second. Tom Brady, a Raiders minority owner, and the Patriots defeated Carroll's Seahawks in the unforgettable Super Bowl XLIX, which culminated with Malcolm Butler's goal-line interception.