'Upset' Tony La Russa defends unwritten rules, calls out own player after Yermin Mercedes' 3-0 home run | CBS Sports Headlines 'Upset' Tony La Russa defends unwritten rules, calls out own player after Yermin Mercedes' 3-0 home run The White Sox rookie went deep off a position player with a … Continue reading 'Upset' Tony La Russa defends unwritten rules, calls out own player after Yermin Mercedes' 3-0 home run