This kind of move is definitely rare in the NFL.

Running back Kenneth Walker III is leaving the Seattle Seahawks to join the Kansas City Chiefs next season. Walker confirmed the news on social media Monday, posting a photoshop of himself in a Kansas City uniform. Reports from NFL Network say the deal is for three years and up to $45 million, with $28.7 million guaranteed.

The Seahawks have lost Super Bowl MVP Kenneth Walker III as he has agreed to a deal with the Kansas City Chiefs.

Seattle's Super Bowl history isn't as extensive as New England's, but the Seahawks have made three appearances in the big game dating back roughly 2006, when they made their first appearance in Super Bowl XL. Seattle is 1-2 in the Super Bowl, so they'll be looking to get back to .500 with a win over the Patriots on Sunday night.

NFL Network's Ian Rapoport reported on Monday that star running back Kenneth Walker III agreed to sign with the Kansas City Chiefs. NFL insider Jordan Schultz reported Walker will get a three-year, $43.05 million contract. Walker confirmed the deal on social media:

The Seattle Seahawks have lost Super Bowl MVP Kenneth Walker III as he has reportedly agreed to a deal with the Kansas City Chiefs.

Seattle Seahawks running back and Super LX MVP Kenneth Walker II has reportedly signed with the Kansas City Chiefs.

General manager John Schneider has his work cut out for him to retain stars or replace them for Seattle's title defense.