After struggling at the backup quarterback position last season, the Bears are negotiating a contract with longtime NFL starter Jason Campbell, according to a league source.

The 25th overall pick in the 2005 NFL Draft by the Washington Redskins, Campbell was traded in April 2010 to the Oakland Raiders for a fourth-round pick.

He has a career 82.8 passer rating.

Last season, Campbell got the Raiders off to a 4-2 start before breaking his collarbone. The Raiders then traded for Carson Palmer. But the Raiders just missed the playoffs.

Campbell is 30 years old, and he's played for a lot of different coaches throughout his career.

After Jay Cutler went down with a broken thumb, the Bears turned the offense over to Caleb Hanie, who flashed some potential in the NFC title game. But, Hanie struggled mightily, and he won't return.

Josh McCown, who finished the season, is an unrestricted free agent, and Nathan Enderle remains on the Bears roster.

UPDATE: The Bears signed Campbell to a one-year deal worth $3.5 million, with a chance to earn more through incentives, according to a league source.