Gibson makes final call: MLB umpire retires after 24-year career, Sports
On the Long Road, Committed to a Goal of Officiating in the Major Leagues - The New York Times
MLB Revamps Umpire Staff; 10 Umpires Decide It's Time For Retirement — Inside the Seams
Four longtime MLB umpires set to retire
MLB will see 10 rookie umps replace veterans as position faces more changes, challenges than ever - The Athletic
1979: Lou Brock joins the 3,000-hit club, and Rick Hummel is there to report it
Uncle Mike's Musings: A Yankees Blog and More: My Top 10 Favorite Live Yankee Games
MLB Rumors: Ted Barrett & Greg Gibson Among 10 Umpires Retiring
Eddie Murphy – Society for American Baseball Research
Fact Check: Has Angel Hernandez retired? MLB's most hated umpire has only officiated one game in 2023
Astros reliever Abreu appeals suspension for throwing at García, pitches in Game 6 of ALCS, Baseball
Home plate umpires are getting better. Will that hold off the robots?