Disclaimer: I'm not an Astros fan. : r/mlb
What did New York Yankees do -- and does it matter? What you need to know about sign-stealing letter - ESPN
Yankees Letter Reveals Past Fine for Sign-Stealing Methods, per Report - Sports Illustrated
Yankees lose bid to keep Major League Baseball sign-stealing report under seal
New York Yankees Letter on Sign Stealing Scandal Is Leaked - Sports Illustrated NY Yankees News, Analysis and More
THEY CHEATED TOO: 'Yankee Letter' revealed, documents sign-stealing techniques and punishment from MLB
Yankees sign-stealing scheme detailed by MLB in just-released letter
MLB Letter Confirms Yankees Used Technology for Sign Stealing - The New York Times
Reports: Yankees used dugout phone, replay room to steal signs in 2015-16
Leaked Yankees letter reveals minor transgressions we already knew
Sign stealing in MLB isn't new
Yankees letter from Rob Manfred reveals team engaged in video sign-stealing before MLB crackdown in 2017
Mlb Sign-stealing Scandal