I think the superstitions and vernacular players have/use are always entertaining.
6'5 pitcher wearing my kid's red hockey style mask in the dugout as a part of a rally cry.
The crazy words they use in the dugout. Often the kid would use it on me on the drive home and I would reply with "huh" and he gets annoyed at the fact he needs to translate it
The number of times a pitcher would kick their fingers, then trip that filthy ball...yuck
Pitchers talking to themself on the mound. I can read some of their "affirmations" maybe not appropriate for this forum