“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.”

After battling for supremacy in the Pac-10 and the NFC West, Carroll and Harbaugh are now set to square off in the AFC West.

The Las Vegas Raiders are the latest team to put an end to their head coaching search, reportedly reaching an agreement with former Super Bowl champion Pete Carroll on Friday morning. While Carroll's tenure with the Seattle Seahawks didn't end well,