Flop

[just another ref]

Originally Posted by M&M Guy

The obvious example is B2 standing there, looking at and guarding A2, while having their back to A1. A1, seeing this, simply runs into the back of B2 looking to draw the foul. After all, B2 never met the requirements of establishing initial LGP, since B2 was never facing A1. Would you call the foul on B2? Of course not; B2 never had LGP, by rule, but still had a legal position on the court, and still can draw a PC foul.

Correct. And if B1 takes a step away from A1, and in the process, for whatever reason, falls down, after which A1 lands on him, or trips over him, it is still not a foul on B1.