Marsh (knee) was placed on injured reserve on December 10, and he ended the season with six tackles and a sack in four games.
Marsh (knee) was placed on injured reserve Friday.
Marsh has been promoted to the Bears' active roster ahead of Sunday's matchup against the Ravens, Larry Mayer of the Bears' official site reports.
Marsh logged four tackles (two solo), including one sack, and a forced fumble in the Steelers' 16-3 preseason win over the Cowboys in Thursday's Hall of Fame Game.
The Steelers activated Marsh (undisclosed) off the reserve/COVID-19 list Thursday.
Marsh (undisclosed) was placed on the reserve/COVID-19 list Saturday, Brooke Pryor of ESPN.com reports.
The Steelers signed Marsh to the active roster Wednesday.
Marsh reverted to the Colts' practice squad Monday, per the NFL's official transaction log.
Marsh was elevated to the Colts' 53-man roster from the team's practice squad.
The Jaguars released Marsh on Thursday.