Professional athletes probably shouldn't be scared of much. They're stronger, more athletic and healthier than the rest of us.
But, part of being human is to have fears to help us avoid dangerous situations that could pose existential threats. What provokes this emotion in some of the future stars of baseball?
Mostly animals, it turns out. Specifically, animals that begin with "s." Make sure to watch the video up top to see what else strikes fear in their hearts besides snakes and spiders.