J'Marcus Webb hasn't been impressive at that right tackle spot so far in camp, so Mills will get a serious look by the coaches.
The Bears could have four new starters in front of Jay Cutler this season. The one constant back is Roberto Garza center. He says he feels good about the changes around him.
"You can see we're starting to come around. We have great guys that are in our room, Jermon Bushrod, Slausen, Kyle Long, all coming together working every single day to get better. We're pushing each other. It's gonna come."
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