Coach Jim Zorn stopped short of ruling Clinton Portis out for Sunday's game at Dallas, but he said the Redskins' star running back is "very doubtful" to play.
"But I don't want to count him out," Zorn said Wednesday after practice.
Portis wasn't present at practice and is at risk of missing his second game since suffering a concussion - the second of his career -- on Nov. 8 in Atlanta.
Zorn said Portis worked out early Wednesday morning -- to get "a little sweat going," Zorn said -- and Portis experienced some blurriness. Portis attended the weekly team meeting but left Redskins Park to visit a Washington doctor and missed the running backs' position meeting.
Zorn laid out a timeline that makes it seem very doubtful Portis will be ready for action against the Cowboys. Even if he stops experiencing symptoms, coaches want to wait a full 24 hours and retest him before allowing him to practice. "I would be very cautious," even after Portis received medical clearance to play, Zorn said.
Zorn said he definitely wants Portis to take part in practice before Sunday's game.
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