Matt Cassel in for Brady Quinn (head)
KANSAS CITY, Mo. -- Kansas City Chiefs quarterback Brady Quinn left Sunday's game against the Oakland Raiders with a head injury in the first half and did not return.
Quinn was starting in place of Matt Cassel, who was benched after a weak start to the year but entered the game when Quinn got hurt.
Quinn was hit hard on a sack by Rolando McClain on the Chiefs' third possession, and then took another shot when he threw an interception off his back foot.
Cassel came into ...
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