Scientists analyzed umpire accuracy during 4 million MLB pitches over the past 11 seasons. They found umpires call pitches wrong one-fifth of the time, leading to a whopping 32,246 missed ball or strike calls in the 2018 season alone.

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Scientists analyzed umpire accuracy during 4 million MLB pitches over the past 11 seasons. They found umpires call pitches wrong one-fifth of the time, leading to a whopping 32,246 missed ball or strike calls in the 2018 season alone.