I would suggest going to Elias Sports Bureau's website, you may be able to find the answer there. Link is below.
http://www.esb.com/
major league baseball
Yep, Major League Baseball or MLB.
Major Baseball League
No. Major League Baseball is real.
Major league baseball is hardball.
Major League Baseball.
MLB may stand for several different things. It is most commonly understood to stand for "Major League Baseball", a baseball organization popular in the United States. In business and accounting it stands for "Material, Labor, Burden."
major league baseball is the hightest baseball league with the best players
Major League Baseball. It was founded in the late 1800's
Bud Selig is the Commissioner of Major League Baseball.
100,000
He was a Major League Baseball player.