It's not Brewers related, but you may enjoy this article about life as a Minor League umpire:
For minor league umpires like Tiller, Larson and Macias, life is specialized, eccentric and grueling. Theirs is an apprenticeship every bit as demanding as the one players endure, but without the possibility of the glory that can await players in the major leagues. After all, umpires exist only to assure that the game is fair, and for this selfless impulse they are universally reviled.
And we thought Brooks Kieschnick had it bad!