Thread from about two weeks ago that Jay Weaver chimed in on: https://www.discussfastpitch.com/sof...-stance-3.html
I guess to a certain degree it depends on how disciplined the catcher is at keeping their hand by or behind the leg. My DD didn't catch last spring/summer and is catching about 1/3rd of the innings this spring/summer. She's been to Jay's catching camps 3 times. Now that she has gotten back into the rhythm of catching, she uses the hand behind glove/bring hand to the chest method for runners on.
The C1 on her team last spring/summer at times was flailing her hand around so much after starting with hand behind the leg, that at times I couldn't watch.