Sources - 10 MLB umps retiring, most since '99 - TSN.ca
Best Major League Baseball Umpires of All Time
Astros' Abreu suspended 2 games by MLB, which says he intentionally threw at García, Baseball
Akron teacher is first woman to umpire Big Ten baseball game
García was let go by 2 teams, including the Rangers, the team he's led to the World Series, Baseball
Ten MLB Umpires Retiring, Most Since 1999
Miller and Márquez joined by 5 first-time World Series umpires for Fall Classic, Baseball
On the Long Road, Committed to a Goal of Officiating in the Major Leagues - The New York Times
Sources - 10 MLB umps retiring, most since '99 - ESPN
Ten MLB umpires are 'set to retire at the end of the month' - the LARGEST turnover since 1999
Eddie Murphy – Society for American Baseball Research
Al Avila on the clock: A look at every move he's made as the Tigers' GM
10 Major League Baseball umpires retire in historic exodus
Indians rout Cubs in historic World Series opener
Umpire Assignments Announced for 2018 Little League® Southeast Region Tournaments - Little League