 Major League Baseball (MLB) itself does not use the term "playoffs" for championship tournaments.Instead, it uses the term "postseason" as the title of the official elimination tournament held after the conclusion of the regular season.Since the , it has consisted of a first round single-elimination Wild Card Game between the two wild-card teams in each league, a best-of-five second round series called the Division Series, and two rounds of best-of-seven series for the League Championship Series and World Series.