verbalize a fly ball out?

[Manny A]

Originally Posted by IRISHMAFIA

What leads you to say that?

I thought this was in response to the situation of an obvious catch called by a chasing BU. If it's an routine catch of a can of corn fly ball, I don't know of any organization that requires the verbal "Out" call, just like we don't normally use a verbal "Out" when the BR gets thrown out at first base by tens of feet.

Are there organizations out there that require a verbal "Out" call for every fly ball catch by a chasing BU? I do believe that the PU should verbalize, but that's for the benefit of his/her partners knowing that a catch was made.