[Adam]

Originally Posted by DBull

Not your place to correct your opponent's players. Not the umpire's job either.

From your OP the umpire has already told you that this was not a balk. That should have ended the discussion on the field. I hope it did, and that you are not one of these pesty rats that are continually ranting during the game, because if you are, and you move up to "Travel Ball" (whatever that is) and higher, and you continue the rant, your life as a coach will be miserable.

It seems like he responded in the only appropriate manner after being told by the umpire; he ran all over the pitcher in question.