The Buccaneers activated Brown (ribs) off their injured reserve list Monday, Greg Auman of Fox Sports reports.
The Buccaneers announced Wednesday that Jones (ribs) has been designated to return to practice from injured reserve, Rick Stroud of the Tampa Bay Times reports.
The Buccaneers placed Brown on the reserve/injured list Thursday due to a rib injury, Aaron Wilson of KPRC 2 Houston reports.
Brown was waived by the 49ers on Tuesday, David Lombardi of The Athletic reports.
Brown (knee) is active for Sunday's matchup against the Cardinals, Sarah Barshop of ESPN.com reports.