You said the throw was offline.

I don't see why the defense should be bailed out on a bad throw.

One reason the interference has to be intentional.

Rita

--- In llumpires@yahoogroups.com, MichaelWmWalsh@... wrote:
>
> After a runner scored, he set up on the 3rd base extended line to
> direct a following runner to stay up or slide. The throw to F2 was
> off-line and hit the runner who had scored. He was attempting to avoid
> the throw but couldn't get out of the way. I had the plate and did not
> consider it interference, but later my partner insisted that, unlike a
> base coach, he had no right to be there and it would be interference if
> he affected the play. Well, if so, it would have to be dead
> immediately, before seeing if the play was affected, but I cannot find
> any support in the rules. What do you think? Thanks.
>
> Mike
>