Yankees were fined $100,000 for improper use of dugout phone
SNY Exclusive: The 'Yankee Letter' revealed : r/baseball
Yankees up in arms after judge orders to unseal MLB letter
Yankees lose bid to keep Major League Baseball sign-stealing report under seal
Astros, Red Sox sign-stealing timeline: Everything we know about MLB scandals
Inside the Dodgers: Team can find vindication, but no satisfaction, in Astros discipline – Orange County Register
New York Yankees, a sealed letter, MLB, and the biggest cheating scandal in the history of the sports: Will the Houston Astros receive justice?
Sign stealing - Wikipedia
Yankee letter,' explained: What's revealed in early release of letter by MLB commissioner Rob Manfred
Leaked Yankees letter reveals minor transgressions we already knew
Sign stealing in MLB isn't new
One Unsealed Letter Away from Hell? Were the Yankees Involved In Sign Stealing Too? - The Crawfish Boxes
New York Yankees Letter on Sign Stealing Scandal Is Leaked - Sports Illustrated NY Yankees News, Analysis and More
MLB Letter Confirms Yankees Used Technology for Sign Stealing - The New York Times
MLB letter to New York Yankees detailed illicit use of technology prior to 2017 sign-stealing edict - ESPN