The team also hired Rick Perry as their assistant strength coach.
The status of injured defenders Lance Briggs and Kyle Fuller remains unclear.
Lamarr Houston is set to have an MRI on his knee, while Matt Slauson left with his right arm in a sling.
Chicago has added Al Louis-Jean to the 53-man roster.
Jeremy Cain will be the long snapper after Brandon Hartson’s exit.
Louis-Jean is an undrafted rookie out of Boston College.