The 5-11, 187-pound Posey joins the Dolphins active roster after spending the previous 10 weeks of the 2012 season on the practice squad. He was signed to the Dolphins practice squad on October 3, 2012 following a stint on the New York Jets training camp roster earlier this year. Posey spent 15 weeks of the 2011 season on the Jets practice squad after being signed as a college free agent.
Posey played collegiately at the University of Ohio for four seasons. During his senior season in 2010, he recorded 46 tackles (35 solo), 12 passes defensed and recovered a fumble, which he returned 38 yards for a touchdown. Posey’s hometown is Cincinnati, Ohio, and he was born on July 17, 1988.