Melvin Sanders had no idea who the football player was.
He'd never seen him play. Never read about his exploits. Never even heard his name before a friend told him.
But when the former Oklahoma State basketball player turned personal trainer was asked to work with the player — named Dak something or other — he agreed. Sanders quickly realized the guy was an extremely hard worker and a supremely talented athlete.
Turns out, Dak Prescott was wowing long before the Dallas Cowboys' rookie quarterback took the preseason by storm.
"He's been really impressive, right?