What makes baseball the best sport is the infinite possibilities of occurrences that happen in every single game. While other sports offer their own opportunities for memorable events, the nature of the game of baseball allows for runs to score or be prevented in a multitude of ways.
If you ask anybody what their favorite play in basketball is, most people would either say an alley-oop or a buzzer-beating shot. Football would most likely be a Hail Mary or a kick return for a touchdown. Soccer and hockey are limited to one way to score.
When discussing the most mind-boggling moments in a baseball game, you can ask 100 people and get 100 different responses. I will attempt to organize the top 10 which can be arranged in any number of ways if you ask me.