Belt's homer overturned for a 2B, 09/10/2016
Little League parents who abuse referees get their due
America has an umpire shortage. Unruly parents aren't helping
Joy, Play, Freedom: Baseball, the American game – Cranberry Eagle
Umpires under attack at youth baseball games - CBS Detroit
Will controversial World Series calls accelerate MLB's move to robot umpires? - The Washington Post
A Brief History of Sign Stealing & Where the Astros Fit In
As MLB moves toward using 'robot umpire,' getting strike/ball calls right is the goal
1909: Meet 'Mather,' the worst umpire in Syracuse baseball history
Red Sox 1, Yankees 4: As Bad As It Gets - Over the Monster
Baseball's Official Historian Explains The Origins Of Our National Pastime : NPR
MiLB Ejection - Umpire Taka Matsuda Ejects Bats Manager Pat Kelly While Replacing a Broken Belt
Adult behavior at Shelby County high school baseball game results in criminal charges
Worst MLB Umpire Calls in Baseball History