San Diego Chargers quarterback Philip Rivers yells at the line of scrimmage during the first quarter of an NFL preseason football game against the San Francisco 49ers in Santa Clara, Calif., Sunday, Aug. 24, 2014. (AP Photo/Mathew Sumner)
San Diego Chargers quarterback Philip Rivers yells at the line of scrimmage during the first quarter of an NFL preseason football game against the San Francisco 49ers in Santa Clara, Calif., Sunday, Aug. 24, 2014. (AP Photo/Mathew Sumner)
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08/20/2014
