The Cardinals, dinged up after their loss to the Ravens Sunday, needed to find a fullback to replace the injured Anthony Sherman.
Enter the Juggernaut, but maybe not for a few weeks.
Maui'a spent last season with the Cardinals, appearing in 15 games. He had two catches for 20 yards, but was cut during 2011 training camp.
In corresponding moves, the Cardinals released defensive end Ronald Talley and re-signed him to the practice squad and released defensive tackle Ricky Lumpkin from the practice squad.