I remember the Sixers let off confetti like they won the title when they eliminated the corpse of the '11-'12 Bulls in the first round of the playoffs, and thinking it was ridiculously excessive... but yeah it's pretty tame compared with what goes on in baseball.
there have to be a ton of in hindsight hilarious posts on this board about Scherzer from this past offseason. EDIT: nvm, I'm an idiot, it was Porcello I'm thinking about.