Robert Gill is an undrafted rookie for the Arizona Cardinals. Having spent the last five years in the Arena Football League, Gill is the oldest rookie in the NFL. But he's got something these other young guns don't: supersonic speed.
During a workout with teammates, Gill pumped the treadmill up to 25 mph and, well, this happened:
Although he only did it for a couple seconds and that's a looped GIF, it's still pretty crazy.
To put it into perspective, that's as fast as an elephant!
But, you know, like a fast elephant.