Nov 14 (Reuters) - Quarterback Ben Roethlisberger is out of the Pittsburgh Steeler's divisional clash with the Baltimore Ravens on Sunday with a shoulder injury, the team said on Wednesday. Veteran back-up Byron Leftwich will make his first start for the Steelers, replacing the two-times Super Bowl winner Roethlisberger. Roethlisberger sprained the sternoclavicular joint in his right shoulder against the Kansas City Chiefs on Monday when he was sacked by linebacker Justin Houston in the third quarter. ...

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