实时指挥：PitchCom电子系统

PitchCom无线通信系统于2022年获MLB批准，允许捕手通过按钮向投手及野手发送加密的投球指令，有效防止偷暗号并加快比赛节奏。

来源

• PitchCom - Wikipedia
• PitchCom® Has Done More Than Stop Sign Stealing…It Has Given Pitchers Advantages They Never Had Before

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