The Dallas Cowboys worked out former Miami Dolphins running back Daniel Thomas today, according to a league source. Thomas is a former second-round draft pick from Kansas State. Thomas has rushed for 1,480 career yards and 10 touchdowns, catching 55 passes for 412 yards and three touchdowns. He has played four seasons in the NFL for the Dolphins. Thomas, 27, is a power back at 6-foot-1, 235 pounds. Follow me on Twitter: @RavensInsider Aaron Wilson covers the Ravens for The Baltimore Sun