Dolphins selected Southern Miss CB Cornell Armstrong with the No. 209 overall pick in the 2018 NFL draft.
A four-year player at Southern Miss, Armstrong recorded five interceptions and 110 tackles in his college career. He was not invited to the Combine, but he measured in at 5-foot-11, 193 pounds at his Pro Day with 4.45 wheels, a 37.5-inch vertical jump, a 10-foot-5 broad jump, and a 7-flat three-cone.