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“Anytime anybody has pneumonia, usually it lingers for a few weeks,” Shanahan said.

Extra points

Newly-signed wide receiver David Anderson (one catch, 14 yards) cut into Terrence Austin’s playing time Sunday, not Anthony Armstrong’s. Anderson plays the inside slot receiver position, while Armstrong is more of an outside speed receiver, Shanahan said.

“When you bring in a guy like David Anderson, he’s more of a guy like Santana Moss, being able to beat defensive backs one on one,” Shanahan said. “He did an excellent job playing.”

• Defensive end Kedric Golston will miss significant time because he completely tore the medial collateral ligament and partially tore the anterior cruciate ligament in one of his knees.

• Receiver Santana Moss (broken left hand) won’t play against Dallas but might play against Seattle the following week, Shanahan said.

• Right tackle Jammal Brown (left groin) is a “long shot” for the Dallas game, Shanahan said.