NFL Media reported earlier this week Gruden already has plans to hire Rams quarterbacks coach Greg Olson as his offensive coordinator, Bengals defensive coordinator Paul Guenther for the same role in Oakland, and Cowboys special teams coach Rich Bisaccia as special teams coordinator.
The Raiders officially announced Gruden will be their new head coach shortly after the game.
After days of speculation and reports, the team formally announced the move on Saturday evening following the conclusion of the Titans-Chiefs AFC Wild Card Game.
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It's the second stint in Oakland for Gruden, who was famously traded by the Raiders to the Tampa Bay Buccaneers for two first-round picks, two second-round picks and $8 million.
The announcement comes almost 20 years to the day when Gruden was first introduced as the Raiders' coach.
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Perhaps fittingly, Gruden's last Monday Night Football broadcast came in Kansas City, the home of the Raiders' biggest division rival.
The Raiders fired Jack Del Rio as head coach after a disappointing 6-10 mark.
Gruden would go on to win a Super Bowl in his first season with the Bucs, but eventually wore out his welcome. "Nothing's official yet, but these Chiefs fans have been on my case since I've got here".
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