there would have to be some to wash away
The shuttle gauges change of direction and acceleration more then pure speed. Personally this seems like a better indicator than a 40 time for just about any position in football. As far as ESPN reporting it wrong, they could have at least had the decency to make it lower then Bo J's mythical 4.12 http://espn.go.com/classic/s/jacksonboadd.html
[OT] : "Though he says he doesn't follow most sports, Jackson is a fan of the WNBA and watches outdoor shows." really.... really?