check swing

[GRUMP]

Originally Posted by WestMichBlue

IMO, the PU should deny the appeal request; even to telling the coach why. If the appeal is made, than the BU should recognize the situation and simply say, "No, she didn't swing." Don't give me that crap that a BU is obligated (by some mythical umpire union's bylaws!) to signal exactly what he saw. His obligation is to keep the game fair. He does that by saying "No" to what he saw.
WMB

Even if the BU observes the " checked swing " bat pointing to center field?

What other situations should we " keep the game fair " by signaling the opposite of what we see ?

TIA