The 27-year-old Smith is a big back, 6-foot-3, 235 pounds. In four seasons mostly with Dallas (he played one game for the Seattle Seahawks in 2015), Smith carried the ball 101 times for 364 yards (3.6 yards per carry) with 5 touchdowns. He also caught 30 passes.
Smith’s best season was 2017 when he carried 55 times for 232 yards (4.2 yards per carry) and scored 4 touchdowns.
The primary backup behind Barkley last season was Wayne Gallman. Gallman, who is entering his third season, rushed for 176 yards on 51 carries and caught 14 passes last year.
The Giants also have Paul Perkins and Robert Martin on their roster.
Smith originally made the Seattle roster in 2015 as an undrafted free agent. After one game in Seattle, Dallas claimed him on waivers.