After six months and 2,430 regular-season games, the 12-team MLB postseason field is set. They’ll begin the NL wild-card series against the sixth-seeded Cincinnati Reds (83-79), who earned the final NL spot thanks to a tiebreaker over the New York Mets. 5 seed San Diego Padres (90-72) in the other NL wild-card series. The wild-card series are best-of-three, the division series are best-of-five and then the championship series and World Series are each best-of-seven. Wild-card series (all game times ET)No.