Jones reverted to the Jaguars' practice squad Monday, per the NFL's transaction log.
The Jaguars signed Jones to the practice squad Tuesday.
Jones (coach's decision) is inactive Sunday against the Panthers.
Jones (coach's decision) is inactive Sunday against the Rams.
Jones (coach's decision) is inactive Sunday against the Colts.
Jones (coach's decision) is inactive Sunday versus the Texans.
Jones rushed six times for 34 yards and a touchdown in the Bears' 33-6 preseason win over the Bills on Saturday.
Coach Matt Eberflus said Tuesday that the Bears will "experiment" with Jones at the running back position during and leading up to Saturday's road preseason game against the Bills, Courtney Cronin of ESPN.com reports.
Jones was not targeted but posted 113 kick-return yards in the Bears' 17-9 loss to the Packers on Sunday.
Jones (illness) is active Sunday against the Lions.