#major_leaguer__majorleaguer__big_leaguer__bigleaguer  a member of a major-league baseball team
  supertype:  #ballplayer__baseball_player  an athlete who plays baseball
  member of:  #major-league_team__major-league_club  a team that plays in a major league
     member of:  #major_league__majorleague__big_league__bigleague__majors  the most important league in any sport (especially baseball)

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