Davis-Gaither was a non-participant in Wednesday's practice due to a knee injury.
Davis-Gaither played all but two of the Colts' defensive snaps during their Week 4 win over the Commanders in London, finishing with eight tackles (five solo). The veteran linebacker appears to have picked up the knee injury in the process, and he'll have two more chances to return to practice ahead of Sunday's road game against the Steelers.