My daughter's a pitcher so we've paid attention to this for some time. I haven't seen enough of Lemley in person/video to have my own opinion, but if this is what she's doing, it's a very inconsistent call by the umps. Some fixate on it, some never call it. It was a running joke with Kelly Barnhill who used to do it almost every pitch. Based on that experience, all Lemley needs to do is keep pitching well so she gets a big enough name that umps won't call it anymore.