**FILE** San Diego Chargers quarterback Philip Rivers (17) and Dallas Cowboys quarterback Tony Romo (9) talk on the field following their preseason NFL football game Sunday, Aug. 21, 2011, in Arlington, Texas. The Chargers won 20-7. (AP Photo/LM Otero)

Photo by: LM Otero

**FILE** San Diego Chargers quarterback Philip Rivers (17) and Dallas Cowboys quarterback Tony Romo (9) talk on the field following their preseason NFL football game Sunday, Aug. 21, 2011, in Arlington, Texas. The Chargers won 20-7. (AP Photo/LM Otero)