There’s something organic about the way it all happened. A 60-year-old Buffalo man drove around 90 minutes to just outside of Rochester to buy a Body Opponent Bag — now called “Bob the dummy” — on Facebook Marketplace two days before the city’s first playoff game in 15 years. A group of younger Sabres fans known as the Blade Gang veered around KeyBank Center before that same April afternoon.

And when Nick Mastrocovo moved his dummy — donning a Bruins jersey for the Sabres’ first-round opponent — closer to the Blade Gang during the pregame festivities April 19, one member landed a punch. Everyone erupted. Another member tackled the dummy from behind. A viral moment was born. Mastrocovo and his cousin returned for Game 2 in referee jerseys, just in case something got out of control after the added attention. The Blade Gang traveled to Boston for road games.…