The 2011 Major League Baseball (MLB) regular season began on Thursday, March 31, 2011 (Opening Day).
The Major League Baseball season begins in April with Opening Day and ends in October with the World Series. Opening Day for the upcoming 2010 season is on April 4th.
The Boston Red Sox were established before the 1901 Major League Baseball season. They have been in the American League ever since then.
The American League grew out of the minor league Western League (founded 1893) which renamed itself the American League in October 1899. The league declared itself a major league on January 28, 1901, and played its first major league season that year.
Sept. 28 - Regular season ends Oct. 1 - Divisional playoffs begin Oct. 9 - League championship series begin Oct. 22 - World Series begins
The Cleveland Indians.
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Ubaldo Jimenez
His first season in MLB was 1914 as a pitcher for the Boston Red Sox. He pitched in 4 games that season and had a 2-1 record with a 3.91 ERA.
Opening Day is in the beginning of April. However, there are usually Spring Training games at the Major League stadiums if you just can't wait any longer!
Chicago Cubs
Sunday, Oct. 3rd is the final day of the regular season. The National League and American League playoffs begin on Wednesday, Oct. 6th.
This depends on the sport, league, and season.