Yankees' cheating rival under investigation again by MLB

Germán ejected, Judge booed as cheating allegations swirl around Yankees

Yankees' Aaron Boone opens up about Red Sox cheating scandal

Astros' cheating scandal checks all boxes – included a tainted title

MLB's sign-stealing controversy broadens: Sources say the Red Sox used video replay room illegally in 2018 - The Athletic

Players Blast MLB Commissioner for Handling of Astros' Cheating Scandal - WSJ

The Houston Astros' 2017 Cheating Scandal Explained - The New York Times

Houston Astros cheating scandal rumors are getting messier and amazing

Yankees' cheating rival issued punishment after MLB investigation

Yankees expected to fight judge's order to have 2017 letter from MLB over team's own sign stealing unsealed – The Morning Call

Boston Red Sox admit cheating against the Yankees with the help of an Apple watch

Report: MLB confirmed whistling after Yankees complained in ALCS, unsure if Astros were source

Houston Astros sign stealing scandal - Wikipedia