The Raiders signed Square to the active roster Tuesday, Ian Rapoport of NFL Network reports.
Square was released by New Orleans on Tuesday.
The Eagles signed Square on Friday, Mike Triplett of ESPN.com reports.
Square was released by the Browns on Thursday, Scott Petrak of the Elyria Chronicle-Telegram reports.
Square agreed to terms on a contract with the Browns on Tuesday, Tom Withers of the Associated Press reports.
Square (undisclosed) passed a physical Friday, spurring the Chargers to activate him from the active/non-football injury list, per the NFL's transaction log.
The Chargers placed Square (undisclosed) on the active/non-football injury list Sunday, per the league's official transactions report.
Square re-signed with the Chargers on Monday, Daniel Popper of The Athletic reports.
Square recorded 27 tackles (15 solo) and two passes defended in the 2019 season.
Square recorded three tackles in the team's Week 10 loss to the Raiders.