Bars agreed to a one-year contract with the Raiders on Wednesday, Tom Pelissero of NFL Network reports.

Bars (knee) is active for Saturday's game in Pittsburgh.

Bars (knee) was downgraded to out for the remainder of Thursday's game against the Rams.

Bars (knee) won't return to Thursday's matchup against the Rams.

Bars (knee) is questionable to return to Thursday's contest against the Rams.

Bars (knee) was absent from Thursday's injury report.

Bars left practice early Thursday as he was dealing with a knee injury, Patrick Finley of the Chicago Sun-Times reports.

Bars (knee) started and played every offensive snap in Saturday's preseason game against the Colts.

Bars started and played all 57 snaps in Friday's preseason game with the Giants.

Head coach Matt Nagy said Bars sustained a knee contusion Friday, but the team doesn't believe it to be serious, Brad Biggs of the Chicago Tribune reports.