I'm with Garth on this one. Every time you ask for help on this type of play you're opening a can of worms. I might ask U1 for help, and with his base responsibilities he might say, "I didn't see it". Meanwhile U3 is out there rolling his eyes, doffing his cap, tapping his foot, trying to get my attention because HE saw something. So I consult with him, but just as I'm about ready to say something, the LF line umpire comes running in with another view....you get the idea. And if the coach is convinced I missed the tag, he may keep asking for me to "get more help" till HE gets the answer he's looking for.
In this play, when I was asked to get help, my reply most likely would have been, "OK, but I'm only going to ask ONE guy - the guy that I think, with my years of umpiring experience having taught me who MIGHT have valuable input based on where HE was positioned. I'll use his input to help ME make MY decision." Now remember that scenario is based on the fairy tale that I'm the MLB umpire in THAT SINGLE SCENARIO. As an NCAA or FED or LL or PONY or USSSA umpire, I will most likely do what my supervisors have instructed me to do.
Now, let me strap on my bullet proof vest real quick before I read the ensuing replies...
JJ