a base;

a member extending upwardly from said base, said member being adjustably positioned in height relative to said base and slidably positioned in a slot of said base, said member being rotatable in said base;

a position fixing means connected to one of said member and said base for fixing the height of said member relative to said base;

a boom extending outwardly from said member, said member being vertical, said boom connected to and extended horizontally from said member;

a first indicator means affixed to said boom for corresponding in location relative to a position where the pitcher's lead foot or lead shoulder should be positioned, said first indicator means being an annular member affixed around said boom, said first annular member being selectively slidable on said boom;

a second indicator means connected to said boom for corresponding in location to desired release point of a pitch by the pitcher, said second indicator means being a second annular means affixed around said boom in spaced parallel relation to said first annular member;

a foot indication means adjustably connected to said base and extending outwardly from a lower end thereof, said foot indicator means corresponding in location to a desired position of a lead foot of said pitcher relative to the first indicator means and second indicator means;

an auxiliary boom connected to an end of said boom opposite said member and extended vertically upward from said boom;

a third indicator means connected to said auxiliary boom for corresponding in relative location to desired release point adjustment of a curve ball pitch by the pitcher.