Johnson hurt his ankle late in last week's 27-13 loss to the Colts and did not practice Tuesday or Wednesday.
Defensive end William Hayes (groin) practiced and is questionable. LInebacker Gerald McRath (left knee/ankle) did not practice and is out.
Defensive end Dave Ball did not practice but not because of injury. His wife gave birth to a son on Wednesday.
Copyright 2011 by The Associated Press