mlb_schedule(): Find game_pk values for professional baseball games (major and minor leagues).mlb_schedule_postseason(): Find game_pk values for professional baseball postseason games (major and minor leagues).mlb_schedule_postseason_series(): Find game_pk values for professional baseball postseason series games (major and minor leagues).mlb_schedule_games_tied(): Find game_pk values for professional baseball games (major and minor leagues) that are tied.mlb_schedule_event_types(): MLB Schedule Event Types.