The Houston Astros have been cleared by Major League Baseball of any wrongdoing in Game 1 of the American League Championship Series after the New York Yankees suspected they were using whistling sounds to convey signs to their hitters, sources told The Athletic's Ken Rosenthal.During Game 1, Yankees coaches and players became angry with the Astros when they believed they heard a whistling sound coming from the opposing dugout, SNY's Andy Martino reported on Wednesday.

https://www.thescore.com/mlb/news/1856741/report-astros-cleared-of-using-whistling-to-steal-signs-from-yankees