Ump Show: Umpire Ron Kulpa ejects A.J. Hinch, screams 'I can do
MLB umpire Paul Emmel doesn't need surgery to be bigger man
The future is now as 'robot umpires' debut in Atlantic League
Here's what it's like to umpire the longest postseason game in MLB
The Dying Art of the Manager Meltdown - The New York Times
Reds manager Bryan Price put his argument with an umpire on pause
MLB: Blue Jays fans outraged over umpire Ron Kulpa's bad calls
M.L.B. Will Investigate Umpire's Tweet About Trump Impeachment
Baseball: A trip through time with former MLB umpire Bill Hohn
Robo umps reach Triple-A, but MLB rollout still uncertain