Houston Astros cleared of wrongdoing in 2020: MLB explored wearable devices during the investigation but found no evidence to substantiate it
Altuve, Bregman, Springer apologize for sign-stealing scheme
MLB Execs Believe Astros Were Using Electronic Buzzer on Players' Bodies to Communicate Stolen Signs
Astros cheating scandal: Did Jose Altuve use electronic 'buzzer'?
MLB sign-stealing saga has now seen buzzer allegations, players weighing in, and more
MLB warned clubs of using tech in sign-stealing before Astros err
The Anti-Astros Sign-Stealing Big Mad Player Rankings - The Ringer
Astros' Jose Altuve Alleged to Have Buzzer Under Jersey
The Houston Astros' 2017 Cheating Scandal Explained - The New York Times
Did This Notorious Troll Dupe MLB Fans and Players Into Believing Conspiracies About Astros Sign Stealing?