VIDEO: White Sox Super Prospect Luis Robert Slugs Grand Slam for First Triple-A Hit

Somewhere right now, the entire Chicago White Sox front office has a huge smile on their face. In Luis Robert's first at-bat at the Triple-A level, the Cuban outfielder sent the ball flying on a monster 409-foot grand slam. Take a look:

And yes, he's only 21.

Robert has been nothing short of spectacular in the minor leagues this season. He is currently sporting a .349/.401/.618 stat-line, to go along with 16 homers and 53 RBI in 75 games of Single and Double-A ball.

It's only a matter of time before you see Robert at the MLB level.