The Bears on Saturday activated tight end Adam Shaheen from injured reserve and placed tight end Dion Sims on injured reserve with a concussion.
Shaheen practiced the last two weeks for the first time since injuring his foot and ankle Aug. 18 in a preseason game in Denver. Last week he described his rehabilitation—which included wearing a walking boot for seven weeks—as "long, slow and painful."
Selected by the Bears in the second round of the 2017 draft out of Ashland, Shaheen caught 12 passes for 127 yards and a team-leading three touchdowns last season as a rookie.
Sims played sparingly in the first eight games this year, catching two passes for nine yards, both in the season opener in Green Bay. He sustained a concussion Nov. 4 in Buffalo and sat out last Sunday's game against the Lions.
The Bears on Saturday also released offensive lineman James Stone from their practice squad.
