David J. Phillip/Associated Press
It gets eerily quiet in a stadium when a player lines up to run the 40-yard dash. You have to remember to breathe as you stand there, index finger poised on the button to start your timer, waiting for the runner to begin. For them, it's fewer than five seconds that can cause a gain or loss of millions of dollars. Especially if you're Clemson wide receiver Mike Williams.
Williams, at 6'4" and 218 pounds, needed to show scouts he could separate from defenders. The best way to do that after the season ends?