Smith will have a chance to show his speed in front of scouts during OU's pro day on March 11.
Cornerback Marcus Walker and safety D.J. Wolfe, meanwhile, did run the 40-yard dash at the combine.
Walker posted a 40-time of 4.59; Wolfe ran a 4.65. Neither time ranked in the top 10 for defensive backs.
The fastest time by a DB came from Connecticut's Tyvon Branch, who ran a 4.31.
•OU-Boise State keeps rolling in ESPN's Greatest Highlights: Boise State's remarkable 43-42 victory over OU in the 2006 season Fiesta Bowl is now in the finals of ESPN's Greatest Highlights mock tournament.
The Fiesta Bowl got 56 percent of fan votes to defeat Doug Flutie's Hail Mary and reach the finals, where it now faces the 1980 Miracle on Ice for the title.
By Jake Trotter