Actually the pitcher is Japanese, although the guy called him a “chinito” which means “little Chinaman” in Spanish.
Certain segments of Mexicans refer to all Asian people as "chinos" even other Mexicans that have slanty eyes. Yes, chino literally means China, but it's a catch-all phrase for our little oriental brothers and sisters to the Mexicans.
This includes Chinese, Japanese, Korean, Hmong, Viet Cong, Cambodian, Laotian, and any other chino-like race you can think of. I'm only assuming that Cubans are the same. I've only met a handful of them.
Storytime. One of the funniest things I ever heard was watching these Mexican gang bangers bustin' on this Hmong gang banger and calling him "Chopsticks."
Actually, Darvish is half Japanese and half Iranian. Kind of a weird combination.