Kizer was chosen 52nd overall in the 2017 NFL draft by the Browns.
The move comes from an active Browns team on Friday, who acquired quarterback Tyrod Taylor and wide receiver Jarvis Landry, along with Randall.
The move makes the future of Brett Hundley uncertain. Hundley filled in for Aaron Rodgers after he went down a collarbone injury. The Packers went 7-9 and missed the playoffs for the first time since 2008