Are Baseball Umpires Racist?

The article analyzes the statistics that when the umpire is of the same race as the pitcher, it is more likely that he will call out a strike. 

Read the essay here:

Bad calls by the ump are as much a part of baseball as home run records, rabid fans and watery beer, but a new study shows that an umpire's decision may have a disturbing ulterior motive: racism. Read more...