The Red Sox current manager and the new Mets manager played key roles in devising the sign-stealing system the Astros used in the 2017 season. Boston Red Sox manager Alex Cora and newly hired New York Mets manager Carlos Beltran played a “key role in devising the sign-stealing system the team used that season,” https://www.foxnews.com/sports/astros-sign-stealing-carlos-beltran-alex-cora