Another, free agent who wasn't announced was Troy running back Brandon Burks. However, Burks is attending graduation and isn't expected in town until Sunday. The Packers don't announce signings until the player passes his physical, so once Burks does so, the team will announce his signing.

The Packers will only be down one player because they signed undrafted free agent Jacob Flores, a 6-3, 300-pound center from Dartmouth.
Same article from Spoon.