I agree with Dash and Jimmy. On a bang bang play the runner is probably out. If he has established the base then he's safe. I also agree there is a big difference between preventive umpiring and making correct calls. Most if not all preventive skills involve taking care of a problem before it cause a call in the game.
quote:nt bump a runner off the bag.
piaa_ump your right there no rule saying that. But as umpire you have to judge it from a fair advantage point.
Example: runner from momentum getting to plate accidentally hits catcher. Now what happen here is PU and BU (me) got together and we said it was his momentum and he didn't mean to. this was BR level.
we had the same question on another message board or similar and all umpires agree that the runner would be safe.