What's pitch tipping, what's sign stealing, and when are they illegal?
MLB Signs on to In-Game Usage of Wearable Pitch-Calling Devices
What's pitch tipping, what's sign stealing, and when are they illegal?
Sign-stealing is at the center of a new controversy. Here's what it's all about - The Boston Globe
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What's pitch tipping, what's sign stealing, and when are they illegal?