Dozier was signed by the Bears this offseason to a one-year deal to compete for a starting spot on the offensive line. He was playing with the second-string offense at left guard when the injury occurred.
The veteran went down with what looked like a serious injury during practices last week. He had been competing to start but instead will miss the season.
This is a really tough blow for Dozier who was trying to rejuvenate his career in Chicago under a new coaching staff.
To take his spot on the roster, the Bears signed DB Jayson Stanley.