After teasing a veteran running back addition for over a week, the Las Vegas Raiders finally settled on one just before Thursday's training camp practice began. With the roster spot made available after Wednesday's crop of moves, the Silver and Black are signing Dare Ogunbowale. But his presence certainly changes the complexion of the Raiders' running back room in a lot of ways. Dare Ogunbowale signing changes math of Raiders' running back roomBefore Ogunbowale's arrival, the Raiders had just four running backs on the roster: Ashton Jeanty, Mike Washington Jr., Dylan Laube and rookie UDFA Roman Hemby. Both are primarily special teams players, but where they contribute on offense is as a third-down receiving back.