Justin Miller was drafted in the 25th pick of the 2nd round of the 2005 NFL Draft (57th overall) by the New York Jets. As a rookie, Miller made his impact as kick returner. He showed promise but was never able to fully reach his potential here. You can read more about Justin Miller in the JetNation Wiki.
Head coach Eric Mangini confirmed this move during this mornings press conference. He also stated that Revis will keep his uniform # 24 and Ty Law will wear # 22 which is his college number.