MLB umpires get defensive about how they interpret controversial

These MLB umpires have the worst strike zones - The Washington Post

Robot Umpires in Baseball: A Terrible Idea

Saturday Notebook: More Doctored Baseballs, A Bad Week For Umpires, Pitcher Safety, and More - Twinkie Town

Umpires Manual Manalapan Baseball Association

Game Day: MLB's new rules need a spring workout – Orange County Register

How do some players get away with arguing with the umpire without getting ejected while others are immediately ejected at the first sign of frustration with the call? : r/mlb

Tough Softball Catcher Hangs On in Controversial Collision - FanBuzz

Farrell still fuming about Machado's takeout slide

In Defense of Umpires: Why Complaints About MLB's 'Ump Show' Problem Miss the Mark, News, Scores, Highlights, Stats, and Rumors

Yankees manager Aaron Boone EJECTED in the 1st inning after umpires overturn foul ball decision

Biggest Sports Rule Changes of the Last 15 Years, News, Scores, Highlights, Stats, and Rumors

Robo-umps have arrived — and they're not far from landing at Target Field : r/minnesotatwins

How instant replay will truly change baseball

Close Call Sports & Umpire Ejection Fantasy League: World Series Interference - Blame the Rule, not the Umpire