Steelers' Troy Polamalu has head injury
KANSAS CITY, Mo. -- Steelers safety Troy Polamalu left Sunday night's 13-9 win over Kansas City after his head banged into the knee of offensive tackle Steve Maneri.
The team said Polamalu had a "blow to the head" and did not return.
The 6-foot-6, 290-pound Maneri had lined up in the backfield as an eligible receiver and hauled in a short pass from Tyler Palko. Polamalu came up to make the tackle and dove at Maneri's legs, his head banging into the big offensive tackle's knee.
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