Jaylen Brown was in the house to fire up Bruins fans before Boston's second-round matchup vs. the Blue Jackets.
The Celtics swingman waved the honorary flag as the B's fan banner captain prior to Game 1.
Brown is just the latest Boston athlete to earn banner captain honors during the Bruins' playoff run. Rob Gronkowski waved the flag before Game 2 of the B's first-round series vs. the Maple Leafs, and his former Patriots teammate Julian Edelman was the banner captain for Game 7.
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