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By R.B. FALLSTROM, AP Sports Writer

ST. LOUIS (AP) - St. Louis Rams offensive tackle Rodger Saffold had very limited duty in practice Wednesday, three days after being carted off the field with a significant neck injury that landed him in a Detroit hospital.

Saffold appeared to have trouble moving his head while meeting with media after practice. He said his mobility has improved and the pain has subsided.

Saffold didn't know when he'd be able to play again.

Saffold spent the night in Detroit with his family after being discharged from the hospital Sunday, several hours after the Rams' opening 27-23 loss. He was injured on the play when the Rams took the lead on a touchdown pass from Sam Bradford to Brandon Gibson, getting knocked off balance on a block and hitting his head awkwardly on an opposing player's hip.

(Copyright 2012 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)

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