The Steelers have signed undrafted rookie wide receiver Paul Cox. Financial terms of the one-year deal were not disclosed.
Cox (6-5, 205) is a rookie free agent out of Mississippi Valley State who was originally signed by the San Diego Chargers on April 30, 2012, but was released on July 25, 2012. Cox will wear No. 81.
To make room on the roster the Steelers released offensive tackle Bridger Buche.