Smith attended Boise State University, where he was nicknamed "Super Needle" and became a three-year starter. As a sophomore, he had 87 carries for 572 yards (6.57 average) and 5 touchdowns. The next year, he had 87 carries for 510 yards (6.4 average) and 7 touchdowns.
In 1975, he produced 514 rushing yards on 87 carries (5.9 average) with 6 rushing touchdowns and 45 receptions for 854 yards (18.9 average) and 11 receiving touchdowns. He received All-Big Sky and Kodak All-American honors at the end of the year.[1]
In his career, he recorded 260 carries (school record) for 1,623 yards, 6.24 yards per carry (school record), 6.57 yards per carry in a season (school record), 18 rushing touchdowns, 87 receptions for 1,527 yards, 17.5 yards per reception (school record), 23 receiving touchdowns, 42 total touchdowns (school record), 252 points (school record) and 3,549 yards of all-purpose yards.
Smith was selected by the Dallas Cowboys in the third round (75th overall) of the 1976 NFL draft, after dropping because although he was seen as a great athlete, he was considered light for a running back.[2]