The Pittsburgh Steelers announced Sunday, via an official team release, that they signed their fifth-round draft pick -- No. 159 overall -- running back Chris Rainey. Financial terms of the four-year deal were not disclosed. Rainey (5-feet-8, 178 pounds) started 19 of 52 games at the University of Florida, splitting his time between slot receiver and tail back. He finished his Gators career ranked ninth in school history with 2,464 yards rushing on 396 carries -- a 6.2 yard average. Source: NFL.com