Jayson Tatum's shocking offseason transformation has been well documented. As a matter of fact, the Boston Celtics superstar might be getting a call from the NBA's doping police anytime soon — if he hasn't already. Tatum recently flexed his bulked-up bod during a youth basketball camp, and the kids in attendance simply had no chance.

Tatum ruthlessly bullied this kid as he drove to the hoop for an and-one (h/t Chris Forsberg on Twitter):

As if that wasn't enough, Tatum then proceeded to literally push another kid out of bounds in another one-on-one match:

The Celtics stud also showed off his defensive chops over a poor kid who saw his three-point attempt swatted away to the stands:

Naturally, Tatum had to end things with an emphatic slam:

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Jayson Tatum clearly isn't messing around and the kids had to endure his full wrath. It was all in good fun, though, and I'm pretty sure those kids will bring home some unforgettable memories with them. After all, how often do you get blocked or dunked on by an NBA star such as Tatum, right?

After dominating camp, the Celtics forward then opened up about his offseason transformation:

There's no denying that Jayson Tatum has put in the work this summer and he's hoping to see the results on the court once the new season tips off.