As long as baseball has existed, complaints about umpire calls have existed. One of my strongest memories about my father is him moaning about missed calls during seemingly every single game I watched with him. It didn’t matter who was playing, the umpire was inevitably a bum who should have been run out of the game.
During Sunday’s game thread, there was a discussion about the, um, fluidity of the strike zone against the Pittsburgh Pirates. Bucs Dugout Commentariat member Bishop1973 mentioned that he did a Statcast search for the first half of the 2019 season.