The secrets of the 40-yard dash, according to an NFL combine coach
What 40-yard-dash times really mean at the NFL Scouting Combine
Jamel Dean Draft Profile - College and Magnolia
Which pass-rush specialists shined at NFL combine?
Ex-NFL Players Sue Over Shady 40 Yards of Gold Event - InsideHook
Justin Jefferson's speedy 40-yard dash 'absolutely helps' NFL draft stock, Todd McShay says, LSU
On the Difference Between Game Speed and Timed Speed in the NFL - InsideHook
2023 NFL Combine: Pitt's Calijah Kancey beats Aaron Donald's 40-time - Turf Show Times
NFL prospect hopefuls compared to their NFL fathers - The Athletic