Garza has started all five games at right guard for the Bears this season, but the veteran has been dealing with lingering knee pain for the past several weeks.
"He's been fighting a knee injury," Bears head coach Lovie Smith said. "Hope we can get him back before long. He's been trying to work through it, but we just feel like it's not getting any better and we need to get it taken care of. We'll be doing that [the scope] shortly."
Meantime, offensive lineman Chris Williams returned to practice for the first time since suffering a hamstring injury during Week 2 in Dallas.
"He [Williams] took snaps at a couple spots," Bears offensive line coach Mike Tice said. "We didn't give him too many snaps in a row, four at the most I think, because I didn't want him to get fatigued and hurt his leg again."
Safety Major Wright appears to be making progress in his attempt to return from a hamstring injury. The rookie was observed running on the side with a member of the team's training staff.
Jeff Dickerson covers the Bears for ESPNChicago.com and ESPN 1000.