Pete Carroll is turning back the clock and heading to Sin City. The 73-year-old has reached an agreement with the Las Vegas Raiders to become the franchise's next head coach, according to multiple reports. ESPN's Adam Schefter reports that it is a three-year deal with a fourth-year team option.

With Pete Carroll now at the helm, the Las Vegas Raiders look to elevate their franchise amid a fierce AFC West coaching gauntlet.

Pete Carroll and Jim Harbaugh have waged war against each other for years, in college at USC and Stanford and in the NFL with the Seattle Seahawks and San Francisco 49ers, and Carroll landing the Las Vegas Raiders job reunites them once again.