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.
Black History: First Black Major League Baseball Player. John W. âBudâ Fowler, top row center, held the record for most consecutive seasons of a black man playing on white teams (11) until Jackie Robinson broke it in 1956.