... contracts have expired and those players are now free agents.

As expected, the Dolphins have re-signed six of the seven players that finished the season on their practice squad to future contracts for 2010.

Those six players—running back Tristan Davis, guard Ray Feinga, wide receiver Taurus Johnson, tight end John Nalbone, safety Nate Ness, and wide receiver Julius Pruitt—will join the Dolphins' 80-man offseason roster in hopes of competing for a roster spot in training camp.

Left unsigned was cornerback Will Billingsley—a second-year player who finished the season on the practice squad/injured list. It's unknown if it was this injury, Bleacher Report - NFL