Watch Celtics’ Jayson Tatum Throw Down Massive Dunk Against Mavericks

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It took Jayson Tatum less than three minutes into Monday’s game against the Dallas Mavericks to make the highlight reel.

Off a handoff from Al Horford at the top of the key, Tatum drove the lane and threw down a one-handed slam over Mavericks forward Maxi Klebler.

Watch the dunk here:

Tatum only is 19 years old, but he attacks the rim like a seasoned veteran.

Thumbnail Photo Via Brad Penner/USA TODAY Sports Images

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