Major League Baseball

🔊/ˌmeɪdʒə liːɡ ˈbeɪsbɔːl/

🔊/ˌmeɪdʒər liːɡ ˈbeɪsbɔːl/

(abbreviation MLB)

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the highest level of professional baseball in the US. Major League Baseball is also the organization which operates the two baseball leagues, the National League and the American League. World Series™