also: メージャーリーグ
noun
Major League Baseball; MLB; the Major Leagues
Refers specifically to the top professional baseball leagues in North America. Often used in contrast with Japanese professional baseball (NPB).
See also: 大リーグ
彼はメジャーリーグで活躍する日本人選手を応援している。
He supports Japanese players who are active in the Major Leagues.
I like watching Major League Baseball games on TV.