Yahoo! Sports - Top News: NFL to study hits to knees; rule change possible (Yahoo! Sports)

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NFL to study hits to knees; rule change possible (Yahoo! Sports) Aug 27th 2013, 18:11 NEW YORK (AP) -- The NFL will keep a close eye on hits to the knees of defenseless players this season, with the possibility of extending the rules protecting such players. Media files: 201308271310474340068 (image/jpeg)

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