Baseball is very popular in South Korea. Many KBO stars have made it to the U.S. major leagues. The nation takes pride in its national team when it plays in international contests.
South Korea is a nation of only 51 million. It does field one league with ten sponsored teams (major corporations). The teams play 144 games in the regular season.
But the championship playoffs are interesting alternative to the American version of the post-season.
Five teams make the playoffs in Korea.
The 4th and 5th place teams are the Wild Cards. They play a one game winner-take-all contest. The winner of this Wild Card games goes on to play a best of five series against the 3rd place club the Semi-Playoff.
The winner of the Semi-Playoff plays the 2nd place team in a best of five Playoff series.
Then the winner of the Semi-Playoff series plays the 1st place team for the championship. The championship series is best of seven.
What is clear about the KBO playoff format is that it rewards regular season play. The regular season winner has an automatic berth in the championship series. It also makes teams that finish lower than the league winner to "earn" their way to the championship round.
One negative to this format is that the league regular season winner has to wait until their opponent goes through a playoff gauntlet. This year's Wild Card game was held on October 16. The first championship game (against the 1st and 2nd place clubs) began on November 4.
MLB continues to talk about future expansion or re-alignment. That also means potential more playoff games, which in the current format dilutes regular season accomplishments of the best teams.