Originally Posted by WMR
IDK if his mini-meltdowns affect his performance, but I do know that they don't do him any favors in getting subsequent favorable calls from the umpire that he is showing up. It just makes them want to squeeze him even more. He needs to learn to keep his mouth shut and ignore bad calls because acknowledging the ump will just make it worse.
I agree with you there. Some umpires are unprofessional enough to allow a player's actions to influence their calls. Smart players won't grant them a reason to make a bad call on purpose.