Horton to miss 4-6 weeks

Defensive back Chris Horton will be out four to six weeks and, possibly, four to six months because of an injury to his toe, Coach Jim Zorn said in his Monday news conference. Horton would be out for the longer period of time if the injury requires surgery and is a candidate for the injured-reserve list, Zorn said. Clinton Portis, who suffered a concussion Sunday, still has a headache and does not remember the play on which he was hurt. "I'd say he's doubtful for this week," Zorn said. "That's just my opinion." Mike Williams will be out at least two weeks because of a ligament tear in his ankle; he'll see the specialist who performed Chris Cooley's surgery. H.B. Blades, Jason Campbell and Stephon Heyer should all be okay, Zorn said. The Kansas City Chiefs have dumped running back Larry Johnson. Naturally, the possibility of signing with the Redskins