Texans rookie Peter Kalambayi suffered concussion

Texans rookie linebacker Peter Kalambayi suffered a concussion against the Miami Dolphins and was ruled out for the remainder of the game.

Kalambayi was filling in at linebacker when starter Zach Cunningham injured his knee. He finished the game with one tackle.

The Texans also used veteran Josh Keyes in relief of Cunningham.

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Kalambayi is a sixth-round draft pick from Stanford.