Oakland Raiders tight end Zach Miller (80) picks up yardage against Chicago Bears safety Danieal Manning (38) in the first half of a preseason NFL football game in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Nam Y. Huh)

Oakland Raiders cornerback Stanford Routt stretches before a preseason NFL football game against the Chicago Bears in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Nam Y. Huh)

Chicago Bears wide receiver Devin Hester stretches before a preseason NFL football game against the Oakland Raiders in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Nam Y. Huh)

Chicago Bears tight end Greg Olsen grabs a pass during warmups before a preseason NFL football game against the Oakland Raiders in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Charles Rex Arbogast)

Oakland Raiders quarterback Jason Campbell fires a pass during warmups before a preseason NFL football game against the Chicago Bears in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Charles Rex Arbogast)

Chicago Bears quarterback Jay Cutler fires a pass during warmups before a preseason NFL football game against the Oakland Raiders in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Nam Y. Huh)

Chicago Bears defensive end Julius Peppers (90) knocks the ball out of the hands of Oakland Raiders quarterback Jason Campbell (8) in the first half of a preseason NFL football game in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Nam Y. Huh)

Chicago Bears quarterback Jay Cutler (6) is stopped by Oakland Raiders defensive tackle Tommy Kelly (93) after a gain in the first half of a preseason NFL football game in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Charles Rex Arbogast)

Chicago Bears quarterback Jay Cutler (6) is sacked Oakland Raiders linebacker Kamerion Wimbley, bottom, in the first half of a preseason NFL football game in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Charles Rex Arbogast)

Oakland Raiders quarterback Jason Campbell (8) fires a pass as teammate offensive tackle Langston Walker (70) blocks Chicago Bears defensive end Mark Anderson (97) in the first half of a preseason NFL football game in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Charles Rex Arbogast)

Trainers tend to Chicago Bears defensive end Julius Peppers (90) after he was injured on a play against the Oakland Raiders in the first half of a preseason NFL football game in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Charles Rex Arbogast)

Trainers tend to Chicago Bears defensive end Julius Peppers (90) after he was injured on a play against the Oakland Raiders in the first half of a preseason NFL football game in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Charles Rex Arbogast)

Chicago Bears wide receiver Johnny Knox (13) tries to avoid a tackle by Oakland Raiders safety Hiram Eugene (31) in the first half of a preseason NFL football game in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Charles Rex Arbogast)

Oakland Raiders running back Michael Bush (29) picks up yardage past Chicago Bears defensive tackle Tommie Harris (91) during the first half of a preseason NFL football game in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Charles Rex Arbogast)

Chicago Bears defensive end Julius Peppers (90) blocks Oakland Raiders offensive tackle Mario Henderson, right,during the first half of a preseason NFL football game in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Charles Rex Arbogast)

Chicago Bears running back Matt Forte (22) takes of on an 89-yard touchdown run past Oakland Raiders safety Michael Huff (24) in the first half of a preseason NFL football game in Chicago, Saturday, Aug. 21, 2010. (AP Photo/Charles Rex Arbogast)

Oakland Raiders safety Stevie Brown (27) intercepts a ball intended for Chicago Bears running back Kahlil Bell (32) in the second half of a preseason NFL football game in Chicago, Saturday, Aug. 21, 2010. The Raiders won 32-17. (AP Photo/Charles Rex Arbogast)