Stoner's (undisclosed) practice squad contract with the Raiders expired Monday, per the NFL's transaction log.
Stoner (undisclosed) was placed on the Raiders' practice squad reserve/injured list Thursday
The Raiders signed Stoner to their practice squad Wednesday.
Stoner has been waived by the Raiders.
The Raiders activated Stoner (undisclosed) off the active/PUP list, and he returned to practice Wednesday, Paul Gutierrez of ESPN.com reports.
Stoner was placed on the Raiders physically unable to perform list Thursday.
Stoner signed a reserve/future deal with the Raiders on Monday.
Stoner reverted to the Raiders' practice squad Tuesday, per the NFL's transaction log.
Stoner was activated off the practice squad Sunday.