Information:  - At the end of each Major League Baseball season, the league leaders of various statistical categories are announced. Leading the league in a particular category is referred to as a "title".  - The American League of Professional Baseball Clubs, or simply the American League (AL), is one of two leagues that make up Major League Baseball (MLB) in the United States and Canada. It developed from the Western League, a minor league based in the Great Lakes states, which eventually aspired to major league status. It is sometimes called the Junior Circuit because it claimed Major League status for the 1901 season, 25 years after the formation of the National League (the "Senior Circuit").  - Paul Warren Schrieber ( born June 30 , 1966 ) is an American professional baseball umpire . His major league career began in 1998 . He worked the MLB All - Star Game in 2000 and 2015 and the Division Series in 1999 , 2000 , 2001 , and 2014 .  - The National League of Professional Baseball Clubs, known simply as the National League (NL), is the older of two leagues constituting Major League Baseball (MLB) in the United States and Canada, and the world's oldest current professional team sports league. Founded on February 2, 1876, to replace the National Association of Professional Base Ball Players, it is sometimes called the Senior Circuit, in contrast to MLB's other league, the American League, which was founded 25 years later. Both leagues currently have 15 teams. The two league champions of 1903 arranged to compete against each other in the inaugural World Series. After the 1904 champions failed to reach a similar agreement, the two leagues formalized the World Series as an arrangement between the leagues. National League teams have won 48 of the 112 World Series contested from 1903 to 2016. The 2016 National League champions are the Chicago Cubs.  - The Division Series (also known as the League Division Series) is the quarterfinal round of the Major League Baseball playoffs. As with any quarterfinal in a best of tournament, a total of four series are played in this round, two each for both the American League and the National League.    After reading the paragraphs above, we are interested in knowing the entity with which 'paul schrieber' exhibits the relationship of 'employer'. Find the answer from the choices below.  Choices: - american league  - major league baseball  - national league
The answer to this question is:
major league baseball