'Was Fangirling': Ex-Celtics Star Drops Wild Jayson Tatum Reaction After Posterizing LeBron James

Seven years ago, Jayson Tatum officially announced his arrival in the NBA when he dunked on LeBron James in Game 7 of the Eastern Conference Finals. The Boston Celtics rookie’s dunk reverberated through the arena, and Tatum further had the nerve to bump into arguably the greatest player in the league at the time.

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