Slate - What They Teach You at Umpire School
MLB umpire Malachi Moore a trailblazer from Compton Youth Academy
Umpires in Dodgers-Giants game wear Pride hats, a first for pro sports - Outsports
MLB Can't Get Robot Umps Fast Enough After Brutal Weekend of Bad Calls - Sports Illustrated
Dan Bellino, MLB umpire who ejected Madison Bumgarner, apologizes for behavior
Umpire hit in head by spectacularly wild throw in Cardinals-Mets
An Umpire Took One Too Many Foul Balls to the Face. He Invented a Solution. - WSJ
Umpire Substance Checks Put Pitchers in Awkward Positions - The New York Times
America's pastime has a new ritual: Frisking pitchers for sticky stuff
MLB umpire shares his opinion of new rules: Ken Rosenthal's conversation with Dan Bellino - The Athletic
MLB umpire Cuzzi still loyal to local roots - The Observer Online
Can you still yell at robot umpires? Future of baseball getting mixed reviews in minors