[Chiefs Blog] The Chiefs have signed QB Matt Cassel to a multi-year contract, a source told The Kansas Star on Tuesday. Terms of the deal have not been released, although the team is expected to announce the deal today.

Kansas City acquired the 27-year-old Cassel in March when it traded this year’s second-round draft pick to New England. The Chiefs also acquired linebacker Mike Vrabel in that deal.

Cassel had signed a one-year, guaranteed contract earlier this year with New England – the Patriots tagged the quarterback their franchise player before the trade – that would have paid him upward of $15 million for the 2009 season.