WTFACTS Major League Baseball: Umpires are required to wear black underwear

What is the difference between umpires who wear black and white stripes and those who wear blue in Major League Baseball (MLB)? - Quora

MLB umpires have an underwear requirement?! 😳😂⚾️ #mlb #baseball #mlb

The Strange Underwear Requirement Baseball Umpires Have To Follow

24 Facts That Sound Fake But Are True - Wow Gallery

MLB umpires have an underwear requirement?! 😳😂⚾️ #mlb #baseball #mlb

Beyond the grunt: Umpires mic up, and baseball changes a bit

Major League Baseball umpires are required to wear black underwear while on the job in case they split their pants. #ATTwitter #AT4all

Why Do Umpires Wear Black or Blue? - Ump Junk - Officials Gear

New Umpires - What do you need to know about Umpire Equipment

Umpire 101: Uniform Basics

Major League Baseball's Wardrobe Malfunction - WSJ

Top Yankees Prospects: No. 10, Alexander Vargas - Pinstripe Alley