Baseball's Unwritten Rules Are Bringing the Twins Unwanted Attention - Zone Coverage
Yermin Mercedes and Tony La Russa Clash Over Unwritten Rules - The New York Times
Upset' Tony La Russa defends unwritten rules, calls out own player after Yermín Mercedes' 3-0 home run
White Sox manager Tony La Russa angry that Yermin Mercedes hit HR in blowout win
White Sox's Tony La Russa gets unlikely endorsement from Smash Mouth: 'A damn legend
Yermín Mercedes is apparently in trouble with Tony La Russa for hitting a home run - Bleed Cubbie Blue
Yermin Mercedes hits a 48 mph pitch out for a home run : r/baseball
Tony La Russa provided a Yermin Mercedes update
Jason Turbow, The Baseball Codes