He was replaced by linebackers coach Bob Babich , who had followed head coach Lovie Smith from the St. Louis Rams .
The team did not re-sign defensive coordinator Ron Rivera , whose contract expired at the end of the 2006 season .
Ron Rivera was replaced by linebackers coach Bob Babich , who had followed head coach Lovie Smith from the St. Louis Rams .
The team did not re-sign defensive coordinator Ron Rivera , whose contract expired at the end of the 2006 season .