Tags: breaking ball, catcher, change planes, change up, chase zone, chase zone 4, chase zones 5 6, consistency, deception, downhill plane, expand, fastball, flat plane, freeze zone, hitter, identify, leader, lock in pitch, off speed, perceived velocity, pitch ahead, pitch command, pitch lokation, pitch movement, pitch possibilities, pitch selection, pitch sequence, pitch slot, purpose zone, scouting, strikeout pitch, tilt and depth, timing