MLB umpire job responsibilities

MLB makes history with umpire crew chief appointments - Los Angeles Times

Play Ball! UConn Magazine

The Average Umpire Is Almost 50. The Best Ones Might Be in Their 30s. - WSJ

The Average Yearly Income for Major League Umpires

The History of Umpiring

MLB, Official Information, Umpires

Gay umpire Dale Scott's autobiography comes out a winner - Outsports

An analysis of nearly 4 million pitches shows just how many mistakes umpires make

Dale, we know you're gay.' How a Major League Baseball umpire came out - Outsports

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