Pitt notebook: Pat Narduzzi calls sign-stealing in college football 'crappy sportsmanship
College World Series: College Baseball Showing Signs of a Revolution With Catcher Wristbands - WSJ
Catcher Signals: A Guide Catcher-Pitcher Signs
Major league pitchers can use PitchCom for signals this year - The Boston Globe
Equipment Commitment
Champro Triple Wristband Playbook, Adult, Black (AF50B) : Sports & Outdoors
Never Miss A Sign Wristband Sign System for Baseball and Softball — Never Miss a Sign
Wristband Signs - Own The Zone Sports
College Baseball Teams Using Wristbands To Send Signals; MLB Next?
Like 'playing a video game': Phillies seeing the value in new tech that transmits pitch signals