The History of Umpiring

MLB umpire job responsibilities

Umpiring: How it all Began - Between Wickets

Looking Back: First NWL Umpire Works a Major League Baseball Game - Northwoods League

Tommy Connolly – Society for American Baseball Research

Some 10 umpires reportedly to opt out of shortened MLB season - The Boston Globe

Umpire's Ejection of Three Blind Mice Deejay Was Historically Correct Call, News, Scores, Highlights, Stats, and Rumors

Angel Hernandez is the Worst Umpire in MLB History

MLB makes history by naming its first black and Latino-born umpire crew chiefs

The History of Umpiring

Umpire (baseball) - Wikipedia

Emmett L. Ashford is the first African American umpire in the history of the major leagues. The 47-year-old Ashford made his debut in the American League when he took over the third

How a World Series Umpire, Ted Barrett, Went 18 Brutal Rounds - The New York Times