Video: Future dunk champ Jaylen Brown shows off his stuff

Training camp is still a week away, but many of the young Celtics are already back in the gym.  Here's a glimpse of Jaylen Brown's talents, which, in Good Will Hunting fashion, he chose to put on display at Harvard:

Considering we saw a similar jam video from the legendary Joel Embiid, this clearly means the sky is the limit for Brown's NBA legacy.

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