Based on combine results from 2000-2017, the average speed of a Strong Safety in the 40 yard dash is 4.55 seconds.
He ran a 4.39 in the 40-yard dash at the 2006 NFL Scouting Combine.
The NFL's fastest official 40 yard dash time was 4.25 seconds by cornerback Fabian Washington.
The 40 yard dash times of running backs during the 2008 NFL Combine ranged from 4.24 (Chris Johnson) to 4.83 (Bernard Yvenson) with the average time sitting at 4.53.
At the 2005 NFL Combine, Vincent Jackson ran the 40-yard dash in 4.46 seconds.
4.28 official time at NFL combine.
He ran a 4.63, 40-yard-dash at the 2004 NFL Combine. Currently he's probably faster, and the 40 is obviously overrated.
At the NFL Combine in February, 2008, Eddie Royal was clocked at 4.39 seconds in the 40.
Jason Witten has run a 4.67 in the 40- yard dash.
it was in 4.96 at the NFL combine.
Reggie Bush. 4.32
4.28