I'm watching the NLCS today and I'm impressed by how accurate the umpire strike calls are. Not perfect but amazingly accurate and rather consistent. How are they so accurate? - Quora
Baseball umpires (the umps that call balls and strikes) should they be positioned behind the pitcher or behind the catcher? - Quora
Why are MLB umpires so bad at calling inside pitches as strikes when they should be balls? - Quora
If an MLB catcher is holding the ball in his gloveless hand and that hand is touching his glove, is tagging a runner with the glove still considered a valid tag?
Are MLB umpires ruining the sport of baseball? - Quora
Why if a batter swings part way? Should the catcher have to ask an umpire at first or third for his opinion? - Quora
Umpire Substance Checks Put Pitchers in Awkward Positions - The New York Times
Can an MLB umpire really tell where the ball crosses the plate without taking into account where the catcher's glove is when he catches it? - Quora
Definition of the Little League® Strike Zone - Little League
Can an MLB umpire really tell where the ball crosses the plate without taking into account where the catcher's glove is when he catches it? - Quora