Running back Knowshon Moreno has been activated by the Miami Dolphins after recovering from a left knee injury that forced him to miss the first 12 days of training camp. Moreno came off the physically unable to perform list before Wednesday's practice and joined the competition for a starting job. Moreno signed a $3.275 million, one-year contract in March after five seasons with the Denver Broncos. Lamar Miller and Daniel Thomas were the primary ball carriers last season for the Dolphins, who ranked 26th in the NFL in rushing. More...