Bears sign DT Walker to 5 year deal

The Chicago Bears and defensive tackle Darwin Walker agreed to a five-year, US$25 million contract on Tuesday, two days after the team acquired him in a trade with Buffalo. Walker will earn about $2 million this season, plus $8 million to $9 million in bonuses and possibly another $3.5 million in incentives over the length of the contract, according to his agent Albert Irby.