MLB hires first full-time umpire from Puerto Rico
Joe West retires as umpire after record 5,460 games; Roberto Ortiz
Angels crumble in critical moments vs. Pirates as winning streak
From Mayfield to the Major Leagues, Gibson reflects on World
Robot umpires' debut in independent Atlantic League
Instant replay in Major League Baseball - Wikipedia
If you aren't a white male, YER OUT of luck as an umpire - Global
Umpire Angel Hernandez's discrimination lawsuit against MLB
Four umpires promoted to Major League crews