For a few minutes on Monday morning, Keith Marshall was no longer the fastest player at this year’s NFL combine. The former Georgia running back had spent most of the previous 72 hours as the clubhouse leader in the weekend’s glamour event, the 40-yard dash, putting up a 4.31 on the first day of on-field workouts and then holding onto the top spot over the weekend as Notre Dame receiver Will Fuller and others came mere hundredths of a second from passing him. Now, on the last day of the combine, Auburn cornerback Jonathan Jones had posted an unofficial 4.28, putting Marshall’s mark at risk.

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