Could the 40-yard dash become a thing of the past at the NFL Combine?

Matt Birk, the NFL's director of player development, hinted at the league making changes to the testing drills that have become a staple to the annual event.

"That's a project we'll be working on this offseason," Birk told ESPN on Friday. "Once we look at the data that was gathered in-game this year, it may be important to know how fast a wide receiver or defensive back can go 60 yards. Maybe for an offensive lineman it's only 20 yards.