Inside linebacker Ray Lewis and right guard Marshal Yanda were two of several Ravens players absent during the portion of Monday evening's practice open to the media.
Lewis sat out Sunday's 31-24 win against the Cincinnati Bengals with a toe injury. Yanda was not reported to have suffered an injury after the game.
Wide receivers David Reed and LaQuan Williams, defensive tackle Arthur Jones and rookie cornerback Chykie Brown were also not present.
Wide receiver Lee Evans (left ankle), inside linebacker Dannell Ellerbe (hamstring) and strong safety Tom Zbikowski (right knee) were present and active.