This is going viral because Lee Dae-hyung, a respected former KBO player and now commentator, is hilariously and bluntly roasting a younger pitcher, Kim Seo-hyun, known for his high velocity but sometimes wild control. This kind of savage, honest banter from a veteran is gold for Korean internet culture.
Korean internet culture often appreciates blunt, sometimes 'savage' humor, especially when delivered by respected figures in a playful way. Baseball is extremely popular in Korea, so discussions and humorous takes on player skills and interactions are common and highly engaging for fans.
Okay, so this post is basically saying Lee Dae-hyung is lowkey calling Kim Seo-hyun's pitching control absolutely feral and he's legit scared of getting hit by a fastball and ending up disabled, no cap. LMFAOOO. It makes so much sense now why Dae-hyung always seemed to look at Seo-hyun like he wasn't even a pitcher. Bro, he even said it to his face on a YouTube show, dead serious: "Oh Seung-hwan isn't scary 'cause his pitches just go near the strike zone, but Kim Seo-hyun? His balls come straight for your body, so he's *actually* terrifying." I'm screaming. This man is just... the GOAT commentator, fr fr. He understood the assignment.