What is mysterious Yankees Letter from MLB that's being unsealed?

Appeals court orders Manfred letter to Yankees unsealed - The San Diego Union-Tribune

Leaked Yankees letter reveals minor transgressions we already knew

New York Yankees Letter on Sign Stealing Scandal Is Leaked - Sports Illustrated NY Yankees News, Analysis and More

Astros Baseball

Details of Infamous Yankees letter exposed, New York Yankees cleared of major wrongdoing

Appeals court rules letter that allegedly shows MLB hid Yankees' sign stealing should be unsealed

Yankees letter confirms team was cheating in 2015-16, per report

Evan Drellich on X: The Yankees and Major League Baseball today have officially appealed Judge Jed Rakoff's decision to unseal a 2017 letter sent by Rob Manfred to Brian Cashman. The context

Appeals court orders Manfred letter to Yankees unsealed