The Browns signed Whiteheart to their active roster Saturday.
Whiteheart reverted to the Browns' practice squad Friday, per the NFL's transaction log.
Whiteheart secured his only target for 29 yards in Thursday's 24-19 win over the Steelers in Week 12.
The Browns elevated Whiteheart from the practice squad to the active roster for Thursday night's game against the Steelers, Scott Petrak of the Elyria Chronicle-Telegram reports.
Whiteheart signed with the Browns' practice squad Thursday.
Cleveland waived Whiteheart on Tuesday, Ian Rapoport of NFL Network reports.
Whiteheart caught three of three targets for 13 yards and a touchdown in Sunday's 20-16 loss to Las Vegas.
Cleveland signed Whiteheart from the practice squad to the active roster Saturday, Kelsey Russo of the Browns' official site reports.
Whiteheart reverted to Cleveland's practice squad Monday, per the NFL's transaction log.
Whiteheart went untargeted over 24 snaps in Sunday's 18-13 win over the Jaguars.