Ten MLB Umpires Retiring, Most Since 1999
Longtime MLB umpire Joe West to retire after postseason
Rookie MLB umpire Malachi Moore knows about dealing with pressure - Los Angeles Times
Royals announce John Wathan will retire after season
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MLB Twitter reacts to mass retirement of major league umpires: Don't let the door hit you on the way out, Wish Angel Hernandez was on this list
10 MLB Umpires Retire - Baseball Says Bye to 261 Years of On-Field Major League Umpiring Experience
MLB Umpire Bios
MLB will see 10 rookie umps replace veterans as position faces more changes, challenges than ever - The Athletic
Ten MLB Umpires Retiring, Most Since 1999
A Major Loss Think Blue LA
The right time': Kentucky native retires from MLB umpiring after 24 years, Sports
Top 30 Managers in Major League Baseball History
Umpire (baseball) - Wikipedia
MLB makes history by naming its first black and Latino-born umpire crew chiefs
Ten MLB umpires are 'set to retire at the end of the month' - the LARGEST turnover since 1999
