Instead, Redman received treatment from head trainer Bill Tessendorf. If his back doesn't improve enough for him to avoid a formidable Steelers' pass rush led by outside linebacker Joey Porter, veteran Jeff Blake would start in his place.
Redman has started all six games for Baltimore (3-3).
Because of a partially dislocated shoulder suffered against the Cleveland Browns, Lewis is listed as questionable along with kicker J.R. Jenkins (leg). End Michael McCrary (knee) is listed as doubtful while offensive tackle Ethan Brooks (back/knee) and Jason Thomas (calf) are probable to play.