Parker signed a contract with the Falcons on Tuesday, Josh Kendall of The Athletic reports.
Parker (undisclosed) was released from injured reserve by the Raiders with an injury settlement Thursday, Aaron Wilson of KPRC 2 Houston reports.
The Raiders agreed to re-sign Parker (triceps) on Friday, Vincent Bonsignore of the Las Vegas Review-Journal reports.
The Raiders placed Parker (triceps) on injured reserve Sunday, Tashan Reed of The Athletic reports.
Las Vegas re-signed Parker on Monday.
Parker (ankle) returned to practice Monday, Scott Bair of NBCBayArea.com reports.
Parker played through a right ankle injury during Monday's practice, Michael Gehlken of the Las Vegas Review-Journal reports.
The Raiders selected Parker in the third round of the 2018 NFL Draft, 65th overall.