Chiefs QB Cassel signs six-year contract worth over $60 million NFL.com Wire Reports The Kansas City Chiefs announced Tuesday that they have signed quarterback Matt Cassel to a multiyear contract. The Chiefs didn't disclose terms of the deal, but NFL Network's Jason La Canfora, citing a league source, reports that Cassel received a six-year contract worth over $60 million, with $28 million guaranteed. The deal is worth $40.5 million over the first three years, which puts Cassel in the upper echelon of contracts. According to the source, Cassel will earn $15 million in 2009, in accordance with the franchise tender...