Why No Signal?

[SWMOzebra]

Originally Posted by bob jenkins

At least FED and NCAA. That's his point -- it can cause a "double call" if one is signalling an held ball and the other a foul / violation. I dont' know that it's any different from one signalling a foul and the other a violation, though..

From my perspective, it's a bit easier to deal with some coaches if one ref has an open palm and one has a closed fist as opposed to a closed fist and a jump ball signal. Merely a matter of preference.