This has happened before elsewhere. Nov 2014 in Toronto: A day after neglecting to salute the crowd following a win on home ice, Toronto Maple Leafs players said the non-gesture was not intended as a shot at their fans. Some speculated that the players were angry with their fans, a small number of whom have thrown team merchandise onto the ice during losses this season, and a larger number of whom  expressed their displeasure as the struggling team lost recent back-to-back games to Buf