Robo umps will help bring baseball into the 21st century — in more ways than one - The Washington Post
Umpire (baseball) - Wikipedia
Umpire (baseball) - Wikipedia
MLB Umpire Camp attracts local hopefuls
Baseball Is Back, but How Does an Umpire Social Distance at Home Plate? | Vanity Fair
10 Tips to Move Up the College Baseball Ranks - Referee.com
If You Aren't A White Male, YER OUT Of Luck As An Umpire | ThePostGame.com
Research: Do We Shy Away From Pivotal Calls? | Stanford Graduate School of Business
Todd Tichenor - Wikipedia
Five Minutes with Gerry Davis - Little League
The Average Umpire Is Almost 50. The Best Ones Might Be in Their 30s. - WSJ
The 6 Oldest Umpires Working in MLB in 2019
A Major League Road to Fitness - Referee.com
MLB umpires union distances from Joe West following coronavirus comments - CBSSports.com
MLB umpires wear wristbands to protest 'abusive' treatment
MLB to Experiment with Robot Umpires, More Rule Changes in Atlantic League | Bleacher Report | Latest News, Videos and Highlights
MLB umpires would be better served to calm down - CBSSports.com
An analysis of nearly 4 million pitches shows just how many mistakes umpires make
What is the Salary of an MLB Umpire?
AP sources: MLB umpire tests positive for virus, crews shift - ABC News
Umpire (baseball) - Wikipedia
Analysis of 4 Million Pitches Reveals Umps Really Do Suck at Calling Strikes | Discover Magazine
Umpire Joe West leaves game after hit by flying baseball bat – The Denver Post
