Ball ends up in umpire's front pocket

What does an MLB umpire wear when he's behind home plate calling balls and strikes during a game? - Quora

Umpire Substance Checks Put Pitchers in Awkward Positions - The New York Times

MLB: Ouch! Scary moment home plate umpire is smashed in the helmet by a 99mph fast ball

Robot umpire: Baseball edges closer to implementing automatic strike zone in major leagues

For what reasons are no balls given in cricket? - Quora

Yankees' Aaron Boone (still furious): Embarrassed umps were intimidated into illegal review

Umpire's Interference - Reviewing its Two Types

What is the device that umpires have in their hands and look into after a caught behind appeal/nick? - Quora

Arizona State Scores On A Ball That Lands In The Umpires Pocket

Tuscaloosa Coach Fights Umpire During Youth Tournament in Calera