Bo Jackson 4.18
Cam newtons forty at the nfl combine was a 4.58 but in regular auburn training camp he ran a 4.44
Fred Taylor's 40 yard dash in the NFL combine time does not appear to be recorded in any verifiable sources
officially the fastest time ever posted was by CB Fabian Washington 4.29 Chris Johnson's 40 time at the Combine was 4.24
Terrel Owens 40 yard dash timeIt was 4.36
4.28
He ran the forty yard dash in 2.2 seconds.
answer 6.21
4.6
He ran a 40 yard dash in the 4.5s
4.28 official time at NFL combine.
4.2 flat
About 3.4 sec.