If you have been watching the NFL Scouting Combine in 2010, you would have witnessed some weird events that may call into inquiry the 40 yard dash. With distinct players, their original 40 yard dash age was recorded at a 4.2 or 4.3 and their times were posted on the TV Screen as such. However, about a half hour later, their "official" age was re-adjusted to a 4.4 to 4.5. More data: click here.