Passed Base runner question

[greymule]

I can't see how this analogy would cleanly apply, though.

I agree that it's not exactly parallel. (That's why I said I was "stretching" the point.)

I also understand the reasoning that a runner who has retreated past 3B up the LF line has caused the following runner on 3B to "pass" him. But absent a case play, I'd still go the other way on that one. As I remember, OBR (for example) requires that the passing be "on the basepaths."