Jose Altuve denies wearing electronic device under Astros jersey - Sports Illustrated

Astros' Jose Altuve calls buzzer rumors 'ridiculous' - Sports Illustrated

Houston Astro Jose Altuve rejoins Round Rock Express for rehab assignment

San Francisco Giants' Evan Longoria appears to weigh in on Astros' alleged hidden buzzer scandal

MLB reportedly investigates Astros after claims that players wore devices during ALCS 2019

Altuve and Javier lead Astros to 8-5 win at Rangers as Houston closes to 2-1 in ALCS – KXAN Austin

Astros, Red Sox Face Fans in Wake of Sign-Stealing Scandal

Jose Altuve denies wearing electronic buzzer

Houston Astros sign stealing scandal - Wikipedia

Astros deny intent of assistant GM's support of Roberto Osuna - ESPN

World Siri: Rookie propels Astros past Braves to tie Series

It's been rumored that the Astros used an electronic device taped to their body that transmitted vibrations based on what pitch is coming. Here is a close up slow motion gif of