Definition of major-league

(The Dallas Morning News,...)

Not satisfied with various unofficial checks on the liveliness of baseballs currently in_use , the major_leagues have ordered their own tests , which are in_progress at Massachusetts_Institute_of_Technology .

(Rocky Mountains News, [Denver, Colorado],...)

Al_Smith 's 340 - blast over left in the fourth - his fourth homer of the campaign - tied the score and Carreon 's first major_league home_run in the fifth put the Sox back in_front .

This rule providing_for a blackout of televised baseball 30_minutes before the start of a major or minor_league game in any area comes from the game 's top rulers .

(The New York Times,...)

When that failed , he enlisted Branch_Rickey 's aid in the formation of a third major_league , the Continental , with New_York as the key franchise .