Armstead was waived by the Jaguars on Monday, Aaron Wilson of ProFootballNetwork.com reports.
Armstead rushed the ball nine times for 52 yards in Sunday's 26-11 win over the Colts. He added two receptions for 10 yards.
Armstead had six carries for 28 yards and caught one of two targets for six yards during Sunday's 50-10 loss to the Patriots.
Armstead is active for Sunday's game against the Patriots.
Armstead (coach's decision) is inactive for Sunday's game against the Jets
Armstead signed a contract with the Jaguars on Wednesday, Field Yates of ESPN reports.
Armstead signed a deal with the Packers' practice squad on Thursday.
Armstead was cut by the Saints on Thursday, Luke Johnson of the New Orleans Advocate reports.
Armstead was signed to the Saints' practice squad Wednesday, Field Yates of ESPN reports.
Armstead (illness) was cut by the Giants on Thursday, Pat Leonard of the New York Daily News reports.