At these softball playoffs for 11- and 12-year-old girls, you may hear singing. There's a chant for almost every moment in the game and all of them require full-on K-Pop, selfie energy.

At these softball playoffs for 11- and 12-year-old girls, you may hear singing. There's a chant for almost every moment in the game and all of them require full-on K-Pop, selfie energy.

At these softball playoffs for 11- and 12-year-old girls, you may hear singing. There's a chant for almost every moment in the game and all of them require full-on K-Pop, selfie energy.

AILSA CHANG, HOST: On a muddy, muggy day in Brooklyn's Prospect Park, it's time for the big game - part of the softball playoffs for 11- and 12-year-old girls. You can expect a whole lot of cheering, ...

On a muddy, muggy day in Brooklyn's Prospect Park, it's time for the big game - part of the softball playoffs for 11- and 12-year-old girls. You can expect a whole lot of cheering, and as reporter ...