Tashard Choice rushed seven times for 50 yards in the Bills' third preseason game.
Choice is the looking like the clear-cut favorite to back up Fred Jackson and C.J. Spiller. 2011 fifth-rounder Johnny White has been dealing with an ankle injury in training camp, and is squarely on the bubble. White appeared in 12 games last year, primarily on special teams, and is not eligible for the practice squad.