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					Originally Posted by  BktBallRef
					 
				 
				The case play is saying that the player enters while the ball is dead and isn't discovered until after it is live.  In that case, it's too late to penalize. 
  
Your play is different.  The sub enters while the ball is live.  The T is for entering without being beckoned. 
			
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 Ok, that sounds good to me.