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Ty Marquise Johnson is an American football running ... According to the NFL Combine Results, Johnson ran the 40-yard dash in 4.40 seconds and the 20-yard split in 2.51 seconds at his Pro Day ...

In this episode of the Michael Johnson Performance Series, former Olympic Gold medal sprinter Michael Johnson demonstrates the proper technique for a perfect 40-Yard Dash drive phase.

Ty Johnson’s the best third-down back in football ... Randy Edsall when he clocked a time of 4.4 seconds in the 40-yard dash at a camp in College Park. During lunch, an assistant coach ...