Pretty freakin funny: The Baseball Prospectus player page of Red Sox Jewish infielder Kevin Youkilis accidentally named his page "You Kike." They named pages like this: take the first five letters of the player's last name and the first two letters of his first name to create the unique URL for information on the player. In this case, the URL for Youkilis spells "Youkike."
Baseball-reference.com has the same naming convention, but they obviously caught the lettering mishap. They replaced the "i" in Youkilis with an l, so their URL reads: youklke.