He just got out of high school. 19-20 yo. Most high-schoolers learn one type of pitch and get really good at that, then learn others in college or when recruited. Only insane bastards like Ki-jeong learn from random scouts and get outside help and personal one-on-one time. That's very rare for a high-schooler who doesn't have money though.
Thank you for the insight!
It's just cause I've seen highschool pitchers in koshien have many pitches on their arsenal, I just assume you have to got be insanely good before going pro
Ya, in real life, most are ABLE to do many types of pitches, but being good at them is another thing. Accuracy and speed are the names of the game in high school. Mostly focuses on the team aspect. It's more like a game of chess than it is about pure talent. Especially for baseball players, since guys still grow until their thirties.
How could you never learn changeup when you are already a pro player