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| | Major League Baseball - Wikipedia, the free encyclopedia |
 | | Major League Baseball is governed by the Major League Baseball Constitution, an agreement that has undergone several incarnations since 1876 then called the NL Constitution, with the most recent revisions being made in 2005. |
 | | More specifically, Major League Baseball refers to the entity that operates North American professional baseball's two major leagues, the National League and the American League, by means of a joint organizational structure which has existed between them since 1903. |
 | | Major League Baseball, under the direction of its Commissioner, Bud Selig, hires and maintains the sport's umpiring crews, and negotiates marketing, labor, and television contracts. |
| en.wikipedia.org /wiki/Major_League_Baseball (2345 words) |
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