Johnson runs a 4.24
Fastest in NFL
4.1
chris johnson-4.18 40 yrd dash
At the NFL Combine, Chris Johnson recorded 4.24 seconds.
4.25
like 23mph
4.24
Chris Johnson
Which QB were you referring to? Masoli? Thomas? Dixon?
4.24
4.5 seconds
4.24 By Chris Johnson. This is the fastest most accurate time.
You have to be able to run at least a 5.5 40yard dash or else you have no chance.