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MLB looking at electronic system for calling pitches
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Vanderbilt baseball debuts wearable 'pitch-signaling' devices to cut down sign-stealing, improve pace of play
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College baseball goes high-tech to send pitch calls to mound
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Wristband Signs - Own The Zone Sports
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MLB looking at electronic system for calling pitches
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Wristband Signs - Own The Zone Sports
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Coach-to-player technology that many have pushed for could have prevented Michigan scandal
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Use of one-way electronic devices approved in college baseball
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Vanderbilt used an electronic wristband system for calling pitches
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College Baseball Was On the Clock and Chose an Electronic Wristband
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Pistons win third straight – Monday Morning Sports Update
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Baseball NCAA NFHS Compliant One-Way Communication Device Coach to Player, Pitcher, Catcher — Qubit
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Never Miss A Sign Wristband Sign System for Baseball and Softball — Never Miss a Sign