The Ravens will be without four players - including three defensive backs - Sunday when they take on the Texans.
Wide receiver Lee Evans (ankle), cornerback Chris Carr (hamstring), cornerback Jimmy Smith (ankle) and safety Tom Zbikowski (concussion) have all been ruled out for this weekend's game against Houston.
Left guard Ben Grubbs (toe) is listed as questionable, while running back Anthony Allen (thigh), linebacker Dannell Ellerbe (hamstring) safety Haruki Nakamura (knee) and wide receiver/kick returner David Reed (shoulder) are all listed as probable.
For the Texans, wide receiver Andre Johnson (hamstring) has been ruled out, as expected.
Fullback James Casey (chest) is listed as doubtful after missing practice all week, while 19 players are probable.
Among those 19 are quarterback Matt Schaub (right shoulder), running back Arian Foster (quad), guard Mike Brisiel (ankle/knee), cornerback Johnathan Joseph (calf), linebacker DeMeco Ryans (elbow/hamstring/knee), defensive end Antonio Smith (ankle) and wide receiver Kevin Walter (illness).