The Bears placed Carlson (collarbone) on injured reserve Saturday, Scott Bair of Marquee Sports Network reports.

Carlson suffered a serious collarbone injury during Thursday's practice and has been ruled out for Sunday's game against the Rams, Kevin Fishbain of The Athletic reports.

Carlson signed with the Bears' 53-man roster from their practice squad Tuesday, Brad Biggs of the Chicago Tribune reports.

Carlson signed with the Bears' practice squad Wednesday, Adam Schefter of ESPN reports.

The Bears released Carlson on Tuesday, Tom Pelissero of NFL Network reports.

The Bears elevated Carlson to their active roster ahead of Thursday night's game against the Panthers, Larry Mayer of the team's official site reports.

Carlson reverted back to the Bears' practice squad Monday, per the NFL's transaction log.

Carlson (coach's decision) was ruled inactive ahead of Sunday's game against the Packers.

The Bears have signed Carlson to their active roster ahead of Sunday's Week 1 showdown against the Packers, Chris Emma of 670TheScore.com reports.

Carlson is signing with the Bears' practice squad Wednesday, Colleen Kane of the Chicago Tribune reports.