The Miami Dolphins have signed former Pittsburgh Steelers running back Aaron Shampklin, the team announced on Monday. Shampklin recently worked […] This article originally appeared on Steelers Now: Fo

The Dolphins immediately got to work on finding new running backs this preseason amid Alexander Mattison’s season-ending injury.

The Dolphins are adding running back Aaron Shampklin to their roster. Mike Garafolo of NFL Media reports that the team will sign Shampklin after working him out on Monday. They also worked out former Packers and Saints running back Jamaal Williams.