10 Major League Baseball umpires retire in historic exodus

1979: Lou Brock joins the 3,000-hit club, and Rick Hummel is there to report it

MLB will see 10 rookie umps replace veterans as position faces more changes, challenges than ever - The Athletic

Gibson makes final call: MLB umpire retires after 24-year career, Sports

MLB Rule Changes: Atlantic League Tests Tweaks Meant to Save Baseball - Bloomberg

Roberto Ortiz makes MLB umpire history as league replaces Joe West, other retirees

Astros reliever Abreu appeals suspension for throwing at García, pitches in Game 6 of ALCS, Baseball

Ten MLB Umpires Retiring, Most Since 1999

Eddie Murphy – Society for American Baseball Research

Tony Corrente, the longest-tenured active NFL referee, is one of 8 retiring officials – Football Zebras

Ten MLB umpires are 'set to retire at the end of the month' - the LARGEST turnover since 1999

Returning to Music City after 10 years with the Titans is weird for Falcons coach Arthur Smith, Football