U is for Umpire Boneheaded Calls
The umpire can make some of the most appalling, boneheaded calls that make players and fans madder than a swarm of hornets.
McEnroe's Umpire Boneheaded Calls
Even if you're not a tennis fan, you more than likely heard about this one.
Wellman goes Ballistic
I very rarely watch baseball, but this is another umpire that gets a coach mad over a call. I remember seeing this one one the news too.