Obstruction or interference

[David B]

Originally posted by WhatWuzThatBlue
Okay, let's see...

We have a bases loaded fence clearing home run in a Fed game. The batters were off on the pitch since it was 3-2 and the kid on first is Mr. Track Star! They watch the ball clear and start the trot, except that Mr. Track Star is now on the heals of Mr. Piano Carrier. PC trips over third and goes down. The third basecoach sees what is happening and puts up the stop sign to TS, only he is mugging for the home team fans and celebrating that they've now taken the lead against a bitter rival. The third base coach puts his hands out and stops the runner by pushing him in the chest. TS snaps out of it and grins sheepishly that he almost passed PC! You are a terrific umpire and have kept the home team back from play and are watching all of the action at third. What do you call?

This is not as Third World as it sounds. I had a batter hit one out in a game and he was sprinting around first since he didn't know if it had enough to carry the right field fence. The runner on first went half way, thought it was caught and actually collided with the batter as he got towards first! The first base coach picked up the batter and screamed at the runner. It is a strange game...

What runner at third?

Actually, it would depend on how well I knew the coach as to the stern warning that he would receive.

thanks
David