- Bill Williamson, ESPN Staff Writer
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Jackson, the No. 3 overall pick in the 2009 draft, was hurt opening night against the Chargers. After a poor rookie season, Jackson was playing well in that game.
Starting Kansas City receiver Chris Chambers is out with a finger injury. He is expected to be replaced by Terrance Copper. Right tackle Ryan O'Callaghan is out again and will be replaced by Barry Richardson. Key Kansas City rookie safety Kendrick Lewis is also out.
HOUSTON -- Kansas City Chiefs defensive end Tyson Jackson will miss his fourth straight game Sunday against the Houston Texans with a knee injury.Jackson, the No.