How many umpires are there in major league baseball?
Amounts vary based on the umpire's classification and experience. As of March 2018, there are 19 four-man crews in MLB, for a total of 76 full-time umpires; they are augmented by 16 Class AAA umpires eligible to umpire regular season games, yielding a total roster of 92 MLB umpires.
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