Predicting the Fastest Players at the 2019 NFL Combine

Think back to your childhood growing up at the playground. A heated debate about who's the fastest usually came up—and a race would follow to settle the discussion.

Although prospects won't challenge each other on foot, 40-yard-dash times lead the conversations during and after the NFL Scouting Combine. Two years ago, John Ross dethroned Chris Johnson with the best time clocked at 4.22 seconds. Subsequently, he moved up draft boards—to the Cincinnati Bengals at No. 9 overall.

One can argue Ross may have gone in the first round anyway, but his 40-yard dash time put him in top-10 territory. Many incoming rookies can experience the same stock boost with a notable finish on the track. Others need…