 At the end of the season, all divisions compete in postseason tournaments where the top teams from each conference play knockout matches with the winning teams then progressing to the Championship Series.The Championship Series of the National League is best of three, the AAA, AA and A championships are single games.The Independent leagues compete against the teams in their own leagues, and in 2017 the first Independent leagues finals weekend was held at Hull, which consisted of semifinals between the champions of the Independent leagues and a final held the next day.