The 40-yard dash showcases one of the most important ... speedsters including gold medal sprinter Bob Hayes and former NCAA 100 meter record-holder Cliff Branch never ran the 40 at the combine.

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Michigan Wolverines offensive tackle Ryan Hayes runs official 5.18-second 40-yard dash at 2023 NFL Scouting Combine. Watch the full on-field workout from Oklahoma Sooners safety Billy Bowman Jr ...