Atopy is a predisposition toward developing certain allergic hypersensitivity reactions. Atopy may have a hereditary component, although contact with the allergen or irritant must occur before the hypersensitivity reaction can develop.
As of 2012, 63.9 percent of players playing in Major League Baseball are white. There is no way of telling the exact number due to the number of players.
Several White Sox teams have received nicknames over the years: 1  The 1906 team were known as the Hitless Wonders, due to their .230 batting average, worst in the American League. 2  The 1919 White Sox are known as the Black Sox, after 8 players were banned from baseball for fixing the 1919 World Series.