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LSU running back Derrius Guice (5) and LSU running back Darrel Williams (28) on the field before kickoff against Florida, Saturday, October 7, 2017, at the University of Florida's Ben Hill Griffin Stadium in Gainesville, Fl.

A pair of LSU running backs, Derrius Guice and Darrel Williams, ran the all-important 40-yard dash at the NFL combine Friday in Indianapolis.

Guice ran the 40 in 4.49 seconds and 4.60 seconds.

Williams ran the 40 in 4.72 seconds and 4.73 seconds.

For context, former LSU running back Leonard Fournette ran a 4.51 in the 40 last year.

Click here to see full results from the combine.