0001それでも動く名無し2022/04/27(水) 08:34:22.01ID:hLXXLW9PM Details of the New York Yankees sealed letter are beginning to be released.
The gist: In 2015 and 2016 the Yankees were using the video replay room to decode catcher sign sequences then relaying that to runners on 2nd base who would then give the sign to the batters.