Brown (shoulder) has been placed on injured reserve, Scott Petrak of the Elyria Chronicle-Telegram reports.
Brown's designation comes in conjunction with the return of cornerback Terrance Mitchell, who's been placed on the 53-man roster following October surgery to mend his broken wrist. Brown will finish his rookie season having played 39 snaps (13 offensive) across two games.
Brown is questionable for Sunday's game versus the Panthers with a shoulder injury, Mary Kay Cabot of The Cleveland Plain Dealer reports.
Brown was added to the injury report Friday as a limited practice participant with the shoulder issue. The 24-year-old has been on the roster since being promoted from the practice squad in late October, though he has yet to be active on gameday.
Brown was signed to the active roster Tuesday, Scott Petrak of the Elyria Chronicle-Telegram reports.
Cleveland had an extra roster spot lying around after dealing Carlos Hyde to the Jaguars last week. Brown checks in as the fifth tight end on the active roster and will likely be contained to a role on special teams.
Brown was waived by the Raiders on Friday, Aaron Wilson of the Houston Chronicle reports.
Brown failed to make the 53-man roster as the Raiders elected to keep Jared Cook, Lee Smith and Derek Carrier at tight end. The University of Oregon product played 39 offensive snaps in two games with Oakland as a rookie in 2017.
Brown was promoted to the Raiders' 53-man roster Saturday, Michael Gehlken of the Las Vegas Review-Journal reports.
Brown has been on the Raiders' practice squad since falling victim to roster cutdowns in September. The undrafted rookie free agent is unlikely to be an offensive factor and should serve as the team's No. 3 tight end with Clive Walford (concussion, neck) placed on injured reserve.