Rays debut wearable 'pitch-signaling' devices in spring training game vs. Braves | CBS Sports Headlines Rays debut wearable 'pitch-signaling' devices in spring training game vs. Braves Minor-league players had previously toyed with PitchCom’s technology as a means of improving pace of play ESN FeedsThis post was originally published on this … Continue reading Rays debut wearable 'pitch-signaling' devices in spring training game vs. Braves