The umpire, referee, linesman or line judge are often an unnoticed, yet integral component of the game, match or contest. It is only when an apparent error is made that a professional game official is even noticed in most sports contests.But, even in the age of instant replay, errors in officiating can result in the alteration of the outcome of a game. Officiating mistakes have already resulted in controversial endings to a few playoff games this year.On Jan. 20, the New Orleans Saints battled the Los Angeles Rams for a …