The National Football Post reports that the team has promoted J.D. Folsom, and cut LB William Kershaw:

The Miami Dolphins have promoted linebacker J.D. Folsom from the practice squad to the active roster. They cut linebacker William Kershaw today to create a roster for Folsom. Folsom was originally a seventh round draft choice of the Dolphins in the draft this spring and was released prior to the start of the regular season on Sept. 5 and was signed to the practice squad two days later.