World Series Ump Crew Youngest in Years, Nod to K-Zone Tech
MLB Official Information
Beyond the grunt: Umpires mic up, and baseball changes a bit
Umpire's Ejection of Three Blind Mice Deejay Was Historically
MLB, umpires agree on deal that would allow for computerized ball
Joe West retires: MLB's record-setting umpire done after 45 years
MLB umpires may soon take to mic to explain replays – The Denver Post
FTX Strikes Sponsorship Deal With MLB, Umpires to Wear Crypto
MLB: Umpires will announce review decisions to crowd
Whether to Play During Weather?
Why is MLB still using 6 umpires in postseason games? - Bleed
MLB hires first full-time umpire from Puerto Rico
MLB umpire reportedly tests positive for COVID-19 - Sports Illustrated
Umpires, MLB agree on instant replay - The San Diego Union-Tribune