Four starters missed Wednesday's practice for the Ravens, three on defense.
Sitting out were defensive tackle Haloti Ngata (thigh), safety Ed Reed (ribs) and linebacker Terrell Suggs (knee). On offense, center Matt Birk rested his left knee.
Those who participated on a limited basis were linebackers Dannell Ellerbe (head), Tavares Gooden (shoulder) and Jameel McClain (back), cornerback Josh Wilson (head) and safety Tom Zbikowski (back).
Wide receiver Derrick Mason, tackle Michael Oher (knee/ankle) and wide receiver David Reed (wrist) had full participation.
While the Ravens listed 12 players on their injury report, the Chiefs listed only two. Wide receiver Dwayne Bowe and guard Brian Waters were held out with illness Wednesday.