[David B]

Originally Posted by bob jenkins

If I see it, I kill it. If I don't kill it, I didn't see it (so don't come to me for help).

This is a call, like balks, infield fly, check swing, with joint responsibility. If either umpire sees it, get it.

Exactly, great advice. Make the call based on what you see and know happened. Leave everything else to your partner(s) to make the call(s) as they saw them.

Thanks
David