 Social media commenters hope that Otani, owner of the richest contract in baseball history, might have a big tip in store for the Bat Boy. Other commenters suggested that he deserved a promotion to Bat Man. Good call. Well, he is 38 years old, after all. Javier Herrera, 38 years old and a 20-year Bat Boy for the Dodgers. So when you're a 20-year Bat Boy, you've seen your share of line drives, and that's really no big deal for you.