Butt signed with the Bears on Friday, NFL reporter Aaron Wilson reports.
The Broncos did not tender a contract to Butt, Troy Renck of Denver 7 News reports.
Butt (hamstring) was removed from injured reserve Thursday, Troy Renck of Denver 7 News reports.
The Broncos designated Butt (hamstring) for a return from injured reserve Thursday, Aric DiLalla of the team's official site reports.
Butt (hamstring) was placed on injured reserve Tuesday, Aaron Wilson of the Houston Chronicle reports.
Butt (hamstring) is inactive for Sunday's matchup against the Chargers.
Butt (hamstring) is questionable for Sunday's game versus the Chargers, Aric DiLalla of the Broncos' official site reports.
Butt (hamstring) was a limited practice participant Wednesday, Ryan O'Halloran of The Denver Post reports.
Butt (hamstring) is inactive for Sunday's game versus Kansas City, Aric DiLalla of the Broncos' official site reports.
Butt (hamstring) is Aric DiLalla of the Broncos' official site for Sunday's contest against Kansas City.