With David Montgomery (knee) out multiple weeks, Reynolds is expected to see an expanded role on offense Sunday against the Bears, Jared Ramsey of the Detroit Free Press reports.
Reynolds rushed the ball six times for 21 yards in Sunday's 47-9 win over the Cowboys.
Reynolds did not log an offensive snap in Sunday's 26-20 overtime win against the Rams.
Reynolds (leg) was not listed on the Lions' estimated injury report Wednesday.
Head coach Dan Campbell said Saturday that Reynolds (leg) should be available for the Lions' regular-season opener against the Rams on Sept. 8, Colton Pouncy of The Athletic reports.
Reynolds left Tuesday's practice with a leg injury but avoided a serious injury, Jared Ramsey of Detroit Free Press reports.
Reynolds had four carries for 11 yards in Thursday's 14-3 loss to the Giants.
The Lions re-signed Reynolds to an exclusive rights contract Monday.
Reynolds returned a kickoff for 26 yards while playing all 17 of his snaps on special teams in Saturday's 42-17 win over the Broncos.
Reynolds logged three offensive snaps during Sunday's win over the Chargers.