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					Originally Posted by  charliej47
					 
				 
				 The coach states yes but he came off the rubber when he did the "jump turn".  I state "Coach your pitcher started his motion while in contact with the rubber and pitching restrictions apply". 
			
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 I was with you right up till 
here. You're right to call the balk, but wrong about the reason.
The correct reason is that a jump turn is not a legal disengagement or "step off." To be legal disengagement, the pivot foot is the only thing that can move.