When they yell at you don't respond. Ignore every insult hurled at you, and when the Cubs score/hold the White Sox, stand up and clap as loud and obnoxiously as you can. If there's a big situatino for the Sox, let's say bases loaded, 1 out, and all the fans are on their feet so tehy could hit an inning ending double play, turn up the obnoxious clapping even more. If they were chanting said player's name, make sure to chant it loudly as the inning ends. Keep all your obnoxiousness towards the product on the field, none at the fans. It wouldn't hurt to have some friends with you for the end of the game, as it's going to be a lot of drunk people around, some doing nothing but looking for a fight.