Miami Dolphins quarterback Ryan Tannehill (17) warms up before a preseason NFL football game against the Dallas Cowboys, Wednesday, Aug. 29, 2012, in Arlington, Texas. (AP Photo/LM Otero)
Miami Dolphins quarterback Ryan Tannehill (17) warms up before a preseason NFL football game against the Dallas Cowboys, Wednesday, Aug. 29, 2012, in Arlington, Texas. (AP Photo/LM Otero)
