06/12/2010 05:12 am ET Updated May 25, 2011

Chicago Baseball: Adorable Twins Get Heated Over Cubs-White Sox Rivalry (VIDEO)

As the Cubs come home to begin their season at Wrigley Field, Chicago is once again torn apart by its bitter intra-city baseball rivalry. Though the city's two teams aren't in direct competition (and no one's exactly banking on a Cubs-Sox World Series any time soon), being a fan of both is like rooting for the Yankees anywhere outside of New York. That is to say, it's heresy.

The White Sox-Cubs divide, as Windy Citizen noticed, is even tearing families apart. Turning sister against sister. Already at age three, these two cherubic twin girls can't set aside the rivalry.

Watch the three-year-olds take baseball seriously: