According to Dan at @, this is Korean high schooler Park Ji-won absolutely going off in a May 12 game. That’s right, HIGH SCHOOL.
You might remember from our Asian Bat Flippers report that bat flipping is highly accepted in Asian baseball leagues. Former Japanese league player Matt Clark told us the fans love it when a hitter pulls off a massive bat flip without regard for timing. At least in this instance Park Ji-won went yard.